[meteorite-list] International Space Station to Study Meteors Hitting Atmosphere

[Ron Baalke via Meteorite-list]

http://spaceflightnow.com/2016/03/17/international-space-station-to-study-meteors-hitting-atmosphere/

International Space Station to study meteors hitting atmosphere
by Justin Ray
Spaceflight Now
March 17, 2016

CAPE CANAVERAL - Peering down at the Earth's atmosphere from a research 
window aboard the International Space Station, a new science instrument 
launching Tuesday will compose unprecedented characterizations of the 
chemical makeup of shooting stars.

Called METEOR, the Meteor Composition Determination experiment will take 
high-resolution video and images of Earth and uses a software program 
to filter out bright spots, the telltale sign of a meteor plunging into 
the atmosphere below.

The device is among the 7,000 pounds of cargo launching inside an Orbital 
ATK commercial Cygnus supply ship to the International Space Station. 
Liftoff atop a United Launch Alliance Atlas 5 rocket is scheduled for 
Tuesday night from Cape Canaveral.

The instrument will perform visible spectroscopy through the Window 
Observational 
Research Facility, or WORF, in the U.S. Destiny laboratory module for 
two years, making observations during predicated meteor showers, the highest 
priority observing time, as well as nighttime periods of orbits and even 
watch the de-orbiting of other spacecraft.

"The WORF window points at the Earth and will allow us to observe meteors 
entering the atmosphere during the nighttime portion of each orbit," 
said Michael Fortenberry, the METEOR principal investigator.

Studying meteors from ground-based or aircraft investigations has one 
major drawback - ozone absorption in the atmosphere masks the "organic" 
carbon spectral emission. METEOR's space-based observations eliminates 
that problem.

METEOR will provide scientists with data on the physical and chemical 
properties of meteors, such as size, density and elemental composition, 
and monitor for carbon-based compounds.

The parent comets or asteroids that spawned most well-known meteor showers 
are identified, allowing the METEOR data to be applied back to the original 
cosmic bodies that generated the debris now hitting the Earth's atmosphere. 
Such information could assist in the understanding of how planets formed.

Data from the instrument will be saved to 35 portable harddrives that 
will be returned to scientists on Earth.

"Data analysis on orbit will mainly be the software taking pictures 
over a day and then giving us a list of what it thinks it found as far 
as meteors entering the atmosphere. Then it will generate several-second 
video clips of the meteors that can be downloaded. But with the amount 
of data we're collecting, it is going to be difficult downlinking all 
of it. That is why we are using the harddrives to return all of the data 
to the ground for analysis later," Fortenberry said.

Scientists expect the space station crew to set up METEOR in April so 
that the instrument can observe a few small meteor showers for calibration 
and checkout before the first big target - the Perseids on Aug. 12.

METEOR was developed by Chiba Institute of Technology of Narashino, Japan. 
The project is led by principal investigator Michael Fortenberry of the 
Southwest Research Institute in San Antonio, Texas.

Operations of the experiment will be autonomous, with planning conducted 
by the METEOR team in Chiba, Japan, in coordination with the Payload Operations 
Center at the Marshall Space Flight Center in Huntsville, Alabama.

Tuesday's launch will be the third try to send METEOR to the International 
Space Station. The first instrument was destroyed in the Antares rocket 
accident in October 2014 and the flight spare was lost in the Falcon 9 
failure in June 2015.

"Since we didn't have any more ground spares after the second flight, 
we have a new instrument that is ready for launch," said Fortenberry.


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[meteorite-list] The March Issue of Meteorite Times is now up!

[Paul Harris via Meteorite-list]

Hello Everyone,

The March issue of Meteorite Times is now up.  A huge thank you to all 
of our contributors!


http://www.meteorite-times.com/

Enjoy!

Paul and Jim
The Meteorite Exchange, Inc.
http://www.meteorite.com
http://www.meteorite-times.com
https://www.meteorites-for-sale.com
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[meteorite-list] Forest Circles, Natural Circular Features Resulting From Self-Organizing Processes

[Paul via Meteorite-list]

Natural processes, other than impacts, can also cause circular

features seen in aerial photography and other imagery. Forest
circles are an example of a circular feature create by the
interaction of geology with plants. Go read:


Brauneder, K., S. M. Hamilton, and K. Hattori, 2016,
Geochemical processes in the formation of ‘forest rings’:
examples of reduced chimney formation in the absence of
mineral deposits. Geochemistry Exploration Environment.
vol. 16, no. 1, pp. 2015-2360. DOI: 10.1144/geochem2015-360
https://www.researchgate.net/publication/292337890_Geochemical_processes_in_the_formation_of_%27forest_rings%27_Examples_of_reduced_chimney_formation_in_the_absence_of_mineral_deposits
http://geea.geoscienceworld.org/content/early/2016/01/19/geochem2015-360.abstract

More information in:

Hamilton, S.M., Burt, A.K., Hattori, K.H. & Shirota, J. 2004a.
The distribution and source of forest ring-related methane
in northeastern Ontario. In: Summary of Fieldwork and Other
Activities, 2004. Ontario Geological Survey Open File Report
no. 6145, pp. 21-1–21-6.
http://www.geologyontario.mndmf.gov.on.ca/mndmaccess/mndm_dir.asp?type=pub=ofr6145
http://www.mndm.gov.on.ca/en/news/mines-and-minerals/summary-field-work-and-other-activities-2004

Hamilton, S.M. & Hattori, K.H. 2008. Spontaneous potential
and redox responses over a forest ring. Geophysics. vol. 37,
pp. B67–B75.
http://mysite.science.uottawa.ca/khattori/Hamilton-SP-Geophysics2008.pdf

Brauneder, K., Keiko H. Hattori, and G. Southam, 2009,
Investigation of physical, chemical and microbiological
processes in the development of forest rings in Ontario.
Abstract, International Applied Geochemistry Symposium, 2009
https://www.academia.edu/16757327/Investigation_of_physical_chemical_and_microbiological_processes_in_the_development_of_forest_rings_in_Ontario

The mysterious forest rings of northern Ontario
by Elle Andra-Warner, May 21, 2008, CBC,
http://www.cbc.ca/news2/background/tech/science/forest-rings.html

More PDF files about Canadian rocks, minerals, and ores at:
http://mysite.science.uottawa.ca/khattori/surfaceDispersion.html
http://mysite.science.uottawa.ca/khattori/chalcophile.html
http://mysite.science.uottawa.ca/khattori/

Yours,

Paul H.

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[meteorite-list] For Sale: Nininger's "Find a Falling Star"

[Ruben Garcia via Meteorite-list]

I have only 4 copies left
http://www.ebay.com/sch/m.html?_odkw=&_ssn=mr-meteorite=322044282577&_osacat=0=STRK%3AMESELX%3AIT&_from=R40&_trksid=p2046732.m570.l1313.TR12.TRC2.A0.H0.Xfalling.TRS0&_nkw=falling&_sacat=0




-- 
Rock On!

Ruben Garcia
http://www.MrMeteorite.com
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[meteorite-list] ?jupiter meteorite

[matija bericic via Meteorite-list]

Does anybody has heard of meteorite from Jupiter? Does it exists? Does
anybody suspects that maybe he is in possesion of it?
Thanks,
Matija
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Re: [meteorite-list] Jupiter meteorite question

[Jeff Tougint via Meteorite-list]

it would be PRICELESS...

On Wed, Mar 16, 2016 at 11:55 AM, Matson, Rob D. via Meteorite-list <
meteorite-list@meteoritecentral.com> wrote:

> Hi Matija,
>
> Peter is correct of course: there will be no meteorites from any of the
> gas giants. However,
> perhaps you meant one of Jupiter's satellites?  That would be a
> possibility. Of course, the impact
> producing such future meteorites would have to be sufficiently energetic
> for fragments to
> escape not only the satellite's gravity, but also the large gravity well
> of Jupiter itself.  --Rob
>
> -Original Message-
> From: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com]
> On Behalf Of Peter Scherff via Meteorite-list
> Sent: Wednesday, March 16, 2016 11:49 AM
> To: 'matija bericic'
> Cc: Meteorite-list@meteoritecentral.com
> Subject: Re: [meteorite-list] ?jupiter meteorite
>
> Hi Martija,
>
> Jupiter is a gas giant. The chance of a meteorite from the planet is 0.
>
> Thanks,
>
> Peter
>
> -Original Message-
> From: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com]
> On Behalf Of matija bericic via Meteorite-list
> Sent: Wednesday, March 16, 2016 2:00 PM
> To: meteorite-list@meteoritecentral.com
> Subject: [meteorite-list] ?jupiter meteorite
>
> Does anybody has heard of meteorite from Jupiter? Does it exists? Does
> anybody suspects that maybe he is in possesion of it?
> Thanks,
> Matija
> __
>
> Visit our Facebook page https://www.facebook.com/meteoritecentral and the
> Archives at http://www.meteorite-list-archives.com
> Meteorite-list mailing list
> Meteorite-list@meteoritecentral.com
> https://pairlist3.pair.net/mailman/listinfo/meteorite-list
>
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[meteorite-list] Spherulites From Chicxulub Impact Found in Columbia

[Paul via Meteorite-list]

Remains of Meteorite That Killed Dinosaurs Found in Colombia,

Latin America Times Herald, March 16, 2016

http://www.laht.com/article.asp?ArticleId=2407852=13936

Fragments of Dinosaur-Killer Meteorite Landed in Colombia,

The Costa Rica Star, March 15, 2016

http://news.co.cr/fragments-of-dinosaur-killer-meteorite-landed-in-colombia/45582/

First South American trace of meteorite that killed dinosaurs found in

Colombia, News Latino, March 16, 2016

http://latino.foxnews.com/latino/lifestyle/2016/03/16/first-south-american-vestige-meteorite-that-killed-dinosaurs-found-in-colombia/

Hallan en Colombia restos del meteorito que hizo extinguir a los
dinosaurios. El equipo científico estuvo liderado por el geólogo
Hermann Bermúdez que hizo la investigación en la isla de Gorgonilla,
en el Pacífico, Pulzo, March 15, 2016

http://www.pulzo.com/vivir-bien/10-dilemas-que-tienen-todas-las-mujeres-en-cualquier-momento/PP5556?from=home-nacion

Remains of mystery meteorite found in Colombia by Latin Correspondent

http://latincorrespondent.com/2016/03/remains-of-mystery-meteorite-found-in-colombia/

Yours,

Paul H.

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[meteorite-list] Wanted: Lunar meteorite over 5 g

[matija bericic via Meteorite-list]

Dear list,
I am looking for a nice piece (could be a slice) of lunar meteorite of
minimum 5 g and above. Please send me your offers with photos.
Thank you,
Matija
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[meteorite-list] Meteorite Picture of the Day

[Paul Swartz via Meteorite-list]

Today's Meteorite Picture of the Day: Gold Basin

Contributed by: Larry Atkins

http://www.tucsonmeteorites.com/mpodmain.asp?DD=03/18/2016
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[meteorite-list] Wanted: Lunar NWA 8127 above 5 g

[matija bericic via Meteorite-list]

Dear list,
Recently I asked you to send me offers of all lunars. Thank you for
all your kind offers. After careful examination of all lunars I
decided that my first choise would be Lunar NWA 8127.
Does anybody have a slice or a piece of it above 5 g?
Thank you,
Matija
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Re: [meteorite-list] ?jupiter meteorite

[MexicoDoug via Meteorite-list]

Matija writes:

"Does anybody has heard of meteorite from Jupiter? Does it exists? Does
anybody suspects that maybe he is in possesion of it?"

These are three distinct questions Matija.

Many of us have heard about meteorites from Jupiter, people make claims all the 
time, sometimes allowing words to do thinking instead of using their minds.

Nobody has seen a meteorite that has been scientifically reviewed and shown to 
be from Jupiter.  But this comes with a disclaimer (see disclaimer).

People suspect they are in possession of strange things all the time.  I'm sure 
 some people suspect they have a meteorite from Jupiter.  Especially, now that 
we are talking about this hypothetical piece of science fiction you've imagined 
in your mind's eye.  People have imagined meteorites from Mars with odd legged 
arachnids in them if you choose to believe them.  But even scientists thought 
they might have meteorites from Mercury.  A brilliant list member her has 
speculated some Venus meteorites may exist.  None of these have been proven and 
support for their existence vary from very interesting theoretical reasoning, 
to entertainment for an idle but creative mind, to delusional behavior by 
individuals that have more than one loose screw.

First, you must ask yourself, How would anybody recognize a Jupiter meteorite?  
Then ask, can a "Jupiter meteorite" exist on Jupiter?  Then, do you mean one 
that arrives on Earth?  And then, how and a piece of Jupiter going to be 
snatched from its inner guts, go back into space, and be delivered to Earth.

What if I asked you, has anyone heard of aliens ever landing on the Sun?  Even 
if no one heard of it, have aliens landed on the Sun?  Or, do anyone posted to 
Facebook pictures they suspect are  of aliens landing on the Sun?

Disclaimer:  A comet smashed into Jupiter not long ago.  As Jupiter tore it 
apart with its tremendous gravitational force, fragments we could call 
meteoroids crashed through Jupiter's dense gaseous atmosphere  As the gravity 
was so fierce and the atmosphere denser and denser as the pieces ablated into 
disintegration, maybe something started floating in a thick chemical stew. That 
could be your meteorite, but no one has gone to recover it yet...

Final words.  Nature is strange and saying something is impossible really isn't 
the strong point of the scientific method.  If you manage to find a Jupiter 
meteorite on Earth, someone will be sure to ask, hey, "anyone found a meteorite 
from a black hole?"  LOL

jk, final words are, most of our meteorites are from Jupiter.  Jupiter keeps 
the asteroid belt in line and occasionally its gravity snatches it out of orbit 
and slingshots it on a trajectory that eventually ends up on earth in a sort of 
solar system pinball.  In that sense we have many likely Jupiter meteorites :-)

Cheers
Doug



-Original Message-
From: matija bericic via Meteorite-list 
To: meteorite-list 
Sent: Wed, Mar 16, 2016 2:00 pm
Subject: [meteorite-list] ?jupiter meteorite

Does anybody has heard of meteorite from Jupiter? Does it exists? Does
anybody suspects that maybe he is in possesion of it?
Thanks,
Matija
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[meteorite-list] ISS Meteor Mission

[Greg Redfern via Meteorite-list]

Dear List,

Check out this upcoming Meteor Mission

to the ISS.

The results of this two year on orbit mission should be very interesting.

All the best,

Greg

Greg Redfern
NASA JPL Solar System Ambassador 
Daily Blog 
Twitter 
WTOP 
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Re: [meteorite-list] Jupiter meteorite question

[almitt2--- via Meteorite-list]

 Hi,

 I have some specimens from Neptune. Neptune, Ohio that is. 

 --AL Mitterling Quoting Jeff Tougint via Meteorite-list
:


it would be PRICELESS...
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[meteorite-list] Spectacular Green Fireball Seen Over UK

[Ron Baalke via Meteorite-list]

https://astronomynow.com/2016/03/17/spectacular-green-fireball-seen-over-uk/

Spectacular green fireball seen over UK
Astronomy Now
March 17, 2016

[Image]
The spectacular fireball recorded by the UK Meteor Observation Network's 
monochrome camera at the Clanfield Observatory, Church Crookham in Hampshire 
at 03:16:54 UT on 17 March 2016. Image credit: UKMON / Hampshire Astronomical 
Group.

The passage of a spectacular fireball widely observed across the British 
Isles just before 3:17am GMT on Thursday, 17 March was also recorded by 
the UK Meteor Observation Network's camera at the Clanfield Observatory 
in Church Crookham, Hampshire.

According to Richard Kacerek of UKMON, the camera was facing northwest 
and the fireball traversed from west to north. The northeast-facing camera 
did not record it, but it did register a "white out" at the same time.

[Image]
The demise of the brilliant meteor in a green flash and a pure-white trail 
was also recorded by the car dashcam of Paul Gilbert whilst driving in 
Battersea, London and posted on Twitter.

[Image]
Chris Cameron-Wilton captured the meteor from North Wales on his weather 
station camera looking South-South-East from his house.

[Image]
Spectacular green fireball seen over UK


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[meteorite-list] New Paper In Southeastern Geology About Carolina Bays

[Paul via Meteorite-list]

The paper is:

Moore, C. R., M. J. Brooks, D. J. Mallinson, P. R. Parham, A. H. Ivetser,
 J. K. Feathers, 2016,  The Quaternary evolution of Herdon Bay, a
Carolina Bay on the coastal plain of of North Carolina (USA): Implications
for paleoclimate and oriented lake genesis. Southeastern Geology.
vol. 51, no. 4, pp. 145-171. (March 2016)

They found that LiDAR images showed that Herdon Bay, a  Carolina Bay
exhibited a regressive sequence of sand rims that partially backfill the
the older portions of this bay. These rims and subsurface data provided
evidence for the episodic migration of this bay by more than 600 meters
to the northwest. Single grain optically stimulated luminescence (OSL)
age estimates indicate that the oldest rim formed about 36.7 +/- 4.1 ka
and the youngest rim formed around 29.6 +/- 3.1 to 27.2 +/- 2.8 ka.
They interpreted these dates as indicating the rim construction and bay
migration was coincident with Marine Isotope Stage 3 through early
Marine Isotope Stage, which was a time of rapid oscillations in climate.

The PDF file of this paper can be found at either https://goo.gl/7hbsfs
or 
https://www.academia.edu/23377396/THE_QUATERNARY_EVOLUTION_OF_HERNDON_BAY_A_CAROLINA_BAY_ON_THE_COASTAL_PLAIN_OF_NORTH_CAROLINA_USA_IMPLICATIONS_FOR_PALEOCLIMATE_AND_ORIENTED_LAKE_GENESIS


A poster can be found at either https://goo.gl/h0S9ge or 
https://www.academia.edu/6804154/Rapid_Scour_Sand_Rim_Construction_and_Basin_Migration_of_a_Carolina_Bay_in_Southeastern_North_Carolina


Yours,

Paul H.
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[meteorite-list] Meteorite Picture of the Day

[Paul Swartz via Meteorite-list]

Today's Meteorite Picture of the Day: Tatahouine

Contributed by: Linton Rohr

http://www.tucsonmeteorites.com/mpodmain.asp?DD=03/17/2016
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[meteorite-list] AD - EBAY: Meteorite Thin Sections - Rare Meteorite Falls

[Peter Marmet via Meteorite-list]

Hello All,

just a short note that we have several great auctions on ebay, ending tomorrow 
Sunday:

- 21 meteorite thin sections, e.g.:

NWA 5000 (LUNAR!)
Pena Blanca Springs (Aubrite)
SaU 005 (Shergottite)
Stannern (Eucrite)
Slobodka and Souslovo from Russia
Songyuan from China
Tatahouine (Diogenite)
US falls: Park Forest, Portales Valley
...

http://kuerzer.de/VQSgudtM7

...furthermore, we have several rare meteorite falls (Buy-it-now / Make Offer), 
e.g.:

from England:
Wold Cottage, 2.412 g
Barwell, 5.92 g

from Scotland:
High Possil, 1.17 g

from Spain:
Cangas de Onis, 1.4 g
Nulles, 1.76 g

from France:
Ausson, 4.74 g
Orgueil, 0.33 g
Draveil, micro

>From India: Segowlie, Butsura, Rangala, Akbarpur, Baroti and Dhurmsala

If you are interested, please do not hesitate to make an offer.

http://kuerzer.de/VQSgudtM7

Thank you,
Marc, 
Peter

Marc Jost - IMCA #2375 
http://www.spacejewels.ch

Peter Marmet - IMCA #2747
http://www.thinsections.ch
http://www.marmet-meteorites.com
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Re: [meteorite-list] ?jupiter meteorite

[Peter Scherff via Meteorite-list]

Hi Martija,

Jupiter is a gas giant. The chance of a meteorite from the planet is 0.

Thanks,

Peter

-Original Message-
From: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com] On
Behalf Of matija bericic via Meteorite-list
Sent: Wednesday, March 16, 2016 2:00 PM
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] ?jupiter meteorite

Does anybody has heard of meteorite from Jupiter? Does it exists? Does
anybody suspects that maybe he is in possesion of it?
Thanks,
Matija
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---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus

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[meteorite-list] Jupiter meteorite question

[Matson, Rob D. via Meteorite-list]

Hi Matija,

Peter is correct of course: there will be no meteorites from any of the gas 
giants. However,
perhaps you meant one of Jupiter's satellites?  That would be a possibility. Of 
course, the impact
producing such future meteorites would have to be sufficiently energetic for 
fragments to
escape not only the satellite's gravity, but also the large gravity well of 
Jupiter itself.  --Rob

-Original Message-
From: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com] On 
Behalf Of Peter Scherff via Meteorite-list
Sent: Wednesday, March 16, 2016 11:49 AM
To: 'matija bericic'
Cc: Meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] ?jupiter meteorite

Hi Martija,

Jupiter is a gas giant. The chance of a meteorite from the planet is 0.

Thanks,

Peter

-Original Message-
From: Meteorite-list [mailto:meteorite-list-boun...@meteoritecentral.com] On 
Behalf Of matija bericic via Meteorite-list
Sent: Wednesday, March 16, 2016 2:00 PM
To: meteorite-list@meteoritecentral.com
Subject: [meteorite-list] ?jupiter meteorite

Does anybody has heard of meteorite from Jupiter? Does it exists? Does anybody 
suspects that maybe he is in possesion of it?
Thanks,
Matija
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[meteorite-list] A 'Tail' of Two Comets

[Ron Baalke via Meteorite-list]

http://neo.jpl.nasa.gov/news/news191.html

A 'Tail' of Two Comets
March 18, 2015

Two comets that will safely fly past Earth later this month may have
more in common than their intriguingly similar orbits. They may be twins
of a sort.

Comet P/2016 BA14 was discovered on Jan. 22, 2016, by the University of
Hawaii's PanSTARRS telescope on Haleakala, on the island of Maui. It was
initially thought to be an asteroid, but follow-up observations by a
University of Maryland and Lowell Observatory team with the Discovery
Channel Telescope showed a faint tail, revealing that the discovery was,
in fact, a comet. The orbit of this newly discovered comet, however,
held yet another surprise. Comet P/2016 BA14 follows an unusually
similar orbit to that of comet 252P/LINEAR, which was discovered by the
Massachusetts Institute of Technology's Lincoln Near Earth Asteroid
Research (LINEAR) survey on April 7, 2000. The apparent coincidence may
be an indication of twin nature in that comet. P/2016 BA14 is roughly
half the size of comet 252P/LINEAR and might be a fragment that calved
off sometime in the larger comet's past.

"Comet P/2016 BA14 is possibly a fragment of 252P/LINEAR. The two could
be related because their orbits are so remarkably similar," said Paul
Chodas, manager of NASA's Center of NEO Studies (CNEOS) at the Jet
Propulsion Laboratory in Pasadena, California. "We know comets are
relatively fragile things, as in 1993 when comet Shoemaker-Levy 9 was
discovered and its pieces linked to a flyby of Jupiter. Perhaps during a
previous pass through the inner-solar system, or during a distant flyby
of Jupiter, a chunk that we now know of as BA14 might have broken off of
252P."

Observations made by the Hubble Space Telescope of comet 252P/LINEAR,
and by NASA's Infrared Telescope Facility of comet P/2016 BA14 will
further investigate their possible twin nature.

Comet 252P/LINEAR, approximately 750 feet (230 meters) in size, will zip
past Earth on Monday, March 21 at a range of about 3.3 million miles
(5.2 million kilometers). The following day, comet P/2016 BA14 will
safely fly by our planet at a distance of about 2.2 million miles (3.5
million kilometers). This will be the third closest flyby of a comet in
recorded history next to comet D/1770 L1 (Lexell) in 1770 and comet
C/1983 H1 (IRAS-Araki-Alcock) in 1983.

The time of closest approach for comet 252P/LINEAR on March 21 will be
around 5:14 a.m. PDT (8:14 a.m. EDT). The time of closest approach for
P/2016 BA14 on March 22 will be around 7:30 a.m. PDT (10:30 a.m. EDT).
While both comets will safely fly past at relatively close distances,
anyone hoping to see them will need powerful, professional-grade
telescopes, due to their relatively small size.

The approaches of these two comets will be the closest they come to
Earth for the foreseeable future. "March 22 will be the closest comet
P/2016 BA14 gets to us for at least the next 150 years," said Chodas.
"Comet P/2016 BA14 is not a threat. Instead, it is an excellent
opportunity for scientific advancement on the study of comets."

An orbit simulation showing the two comet flybys by Earth is available here:

http://neo.jpl.nasa.gov/orbits/twocomets.html

The CNEOS website has a complete list of recent and upcoming close
approaches, as well as all other data on the orbits of known NEOs, so
scientists and members of the media and public can track information on
known objects.

http://neo.jpl.nasa.gov/ca

For more information about NASA's Planetary Defense Coordination Office,
visit:

http://www.nasa.gov/planetarydefense

For asteroid news and updates, follow AsteroidWatch on Twitter:

twitter.com/AsteroidWatch


Media Contact

DC Agle
Jet Propulsion Laboratory, Pasadena, California
818-393-9011
a...@jpl.nasa.gov

Dwayne Brown / Laurie Cantillo
NASA Headquarters, Washington
202-358-1726 / 202-358-1077
dwayne.c.br...@nasa.gov / laura.l.canti...@nasa.gov

2016-078
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[meteorite-list] Fragments of meteorite that exterminated dinosaurs landed in Colombia

[Tommy via Meteorite-list]

http://colombiareports.com/fragments-meteorite-exterminated-dinosaurs-landed-colombia/

Regards!

Tom

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[meteorite-list] Massive European Spacecraft Launched Toward Mars (ExoMars 2016)

[Ron Baalke via Meteorite-list]

http://spaceflightnow.com/2016/03/14/massive-european-made-spacecraft-launched-toward-mars/

Massive European spacecraft launched toward Mars
Spaceflight Now
by Stephen Clark
March 14, 2016

Boosted off planet Earth by a Russian Proton rocket, a European-built 
space probe departed for Mars on Monday, beginning a mission to test future 
landing technologies and search for methane, a potential signature of 
microbial life.

The mission also aims to map Mars in high-resolution and search for hydrogen 
embedded in the Martian crust, a data point that suggests the presence 
of water at or just below the surface.

A piggyback lander accompanies the orbiter on the trip, heading for an 
experimental descent into the Martian atmosphere in October.

The landing probe is named for 19th century Italian astronomer Giovanni 
Schiaparelli, who made telescopic observations of Mars and triggered a 
wave of interest in Earth's neighboring planet after he thought he found 
water-filled channels crisscrossing the rust-colored world.

It turns out Schiaparelli was wrong, but his pioneering work in planetary 
science led future astronomers into the field.

The successful launch Wednesday is the first phase of an ambitious 
multibillion-dollar 
Mars exploration program led by the European Space Agency.

Named ExoMars, the program is a partnership between Europe and Russia, 
which agreed to provide rocket rides in 2016 and 2018 for back-to-back 
launches to Mars.

The mission took off at 0931:42 GMT (5:31:42 a.m. EDT) from the Baikonur 
Cosmodrome in Kazakhstan, vaulting into low clouds in less than 30 seconds 
on the power of more than 2 million pounds of thrust from the Proton rocket's 
six RD-276 first stage engines.

Ten minutes later, the 191-foot-tall (58-meter) Proton booster had accelerated 
to more than 15,000 mph (24,000 kilometers per hour).

A Breeze M rocket stage launched atop the Proton rocket took over control 
of the mission, firing four times over more than 10 hours to reach higher 
orbits and eventually escape Earth's gravitational tug.

The ExoMars Trace Gas Orbiter and the Schiaparelli lander deployed from 
the Breeze M upper stage at 2012 GMT (4:12 p.m. EDT). Less than 90 minutes 
later, engineers at the European Space Operations Center in Darmstadt, 
Germany, received the first signals from the newly-launched spacecraft.

"We have AOS (acquisition of signal)," reported Michel Denis, ESA's 
flight operations director for ExoMars. "We have a mission, and for 
the second time, Europe is going to Mars, so go, go, go ExoMars."

"It's been a long journey getting the first ExoMars mission to the 
launch pad, but thanks to the hard work and dedication of our international 
teams, a new era of Mars exploration is now within our reach," said 
Johann-Dietrich Woerner, ESA's director general. "I am grateful to 
our Russian partner, who have given this mission the best possible start 
today. Now we will explore Mars together."

The orbiter and lander composite combine to make the spacecraft launched 
Wednesday one of the biggest ever sent to Mars, weighing in at approximately 
9,550 pounds (4,332 kilograms) and measuring about the size of a moving 
van.

Soon after the ground team established contact with the ExoMars Trace 
Gas Orbiter, ESA confirmed the spacecraft extended its power-generating 
solar panels, another key milestone in the critical early hours of the 
mission.

A high-gain communications antenna was also to deploy shortly after ExoMars'
separation from the launcher, allowing the orbiter to communicate with 
Earth during the 310 million-mile (500 million-kilometer) voyage to Mars.

Arrival at Mars is scheduled for Oct. 19.

Three days before getting to the red planet, the Trace Gas Orbiter and 
the Schiaparelli lander will part ways.

The orbiter will fire its main engine for a make-or-break maneuver to 
be captured by Martian gravity into a looping, highly elliptical path 
around the red planet ranging in altitude from 186 miles (300 kilometers) 
to nearly 60,000 miles (96,000 kilometers).

On the same day, Schiparelli will hit the upper atmosphere of Mars at 
13,000 mph (21,000 kilometers per hour) for a six-minute descent aided 
by a heat shield, a new European-made supersonic parachute, and braking 
rockets.

Schiaparelli will touch down in Meridiani Planum, a broad, relatively 
flat region currently being explored by NASA's Opportunity rover. Unlike 
Opportunity, Schiaparelli will have a brief life on Mars, and designers 
expect it to drain its batteries within a week.

The lander's primary objective is demonstrating technology to be applied 
to a European rover due for launch in 2018 or 2020.

The ExoMars orbiter will dip into the upper fringes of the atmosphere 
of Mars for a series of "aerobraking" campaigns, using air drag to 
move the spacecraft into a circular orbit about 250 miles (400 kilometers) 
above the planet tilted at an angle of 74 degrees to the equator.

The orbiter's five-year 

Re: [meteorite-list] Looking for Monument Draw (ACAP) and Gibson (LOD)

[almitt2--- via Meteorite-list]

 Hi Peter,

 Not sure if I am getting through to you by email, but I have a 2.9 
gram part slice of Monument Draw. Let me know on list if you have tried 
to contact me. Best!


 --AL Mitterling

 Mitterling Meteorites

 Quoting Peter Marmet via Meteorite-list 
:



Hello All,

I'm looking for a small slice of Monument Draw (ACAP) or Gibson (LOD)!

Off list, please!

Best regards,
Peter


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[meteorite-list] Planetary Conference to Feature Ceres, Mars, Pluto Science Results

[Ron Baalke via Meteorite-list]

March 16, 2016

MEDIA ADVISORY M16-029

Planetary Conference to Feature Ceres, Mars, Pluto Science Results

Researchers from NASA and other institutions will present science results 
from the agency's Mars missions, New Horizons flyby of Pluto, and 
Dawn  mission observations of the dwarf planet Ceres during the 47th Lunar 
and Planetary Science Conference March 21-25 near Houston. 

The conference will take place at the Woodlands Waterway Marriott Hotel and 
Convention Center at 1601 Lake Robbins Drive in The Woodlands, Texas. 
Briefing times (all CDT) are as follows:

 * Noon, Monday, March 21 -- New Horizons mission media briefing 
 * Noon, Tuesday, March 22 -- Dawn mission media briefing
 * 7:30 p.m., Tuesday, March 22 -- Alan Stern, principal investigator for the
   New Horizons mission, will deliver a lecture, "The Exploration of
   Pluto." This lecture is free and open to the public.


Media may register to attend. For information including links to the program, 
media advisories and contact information, visit:

http://www.hou.usra.edu/meetings/lpsc2016/media/press/

Briefings will be live streamed and/or archived online. The schedule is 
available at:

http://livestream.com/viewnow/LPSC2016

In July 2015, NASA's New Horizons became the first spacecraft to fly past 
Pluto, observing a wide range of surface expressions and geology that raise 
fundamental questions about how small planets can have active processes 
billions of years after they formed.

Results from the first year of Dawn's exploration of Ceres mission will be 
presented, including new insights about the dwarf planet's surface and 
composition. 

The science presentations at the conference will include what researchers 
have learned from recent investigation by NASA's Curiosity rover of an 
active Martian sand dune and diverse findings from other NASA missions to 
Mars.

The conference is presented by the Lunar and Planetary Institute (LPI) in 
Houston. LPI is managed by the Universities Space Research Association 
(USRA), a national, nonprofit consortium of 105 leading research universities 
chartered in 1969 by the National Academy of Sciences at the request of 
NASA. USRA operates programs and institutes focused on research and 
education in several disciplines engaged in space-related science and 
engineering.

More information about the agenda and other activities is available online 
at:

http://www.hou.usra.edu/meetings/lpsc2016/

For information about NASA and agency programs, visit:

http://www.nasa.gov

-end-

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[meteorite-list] Meteorite Picture of the Day

[Paul Swartz via Meteorite-list]

Today's Meteorite Picture of the Day: Unclassified NWA

Contributed by: Andreas Gren

http://www.tucsonmeteorites.com/mpodmain.asp?DD=03/19/2016
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Re: [meteorite-list] Jupiter meteorite question

[almitt2--- via Meteorite-list]

 Hi,

 I have some specimens from Neptune. Neptune, Ohio that is. 

 --AL Mitterling


Quoting Jeff Tougint via Meteorite-list
:


it would be PRICELESS...


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