Today's Meteorite Picture of the Day: NWA 3149
Contributed by: Jim Brady
http://www.tucsonmeteorites.com/mpod.asp
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I think it is great that the reporter wrote a follow-up but it would have been
completely unnecessary had they done their research in the first place. Again,
a big price tag with no qualifying factors was placed on the stone to
sensationalize it.
Happy Hunting,
Adam
Hi, all,
I don't recall this being discussed here before and hopefully I'm not being too
anal, but is the definition of meteorite evolving, or is it being used
improperly here (and frequently in the past when referring to the ISS and these
shields).
Cheers,
Pete
They might reasonably call it an anti-meteoroid shelter, but the fact
is, meteorite is not well enough defined to say that once a meteoroid
impacts an object in space, it can't be called a meteorite. I don't have
a problem with the usage in the article. Meteoroid and meteorite are
reasonably
Meteorite and meteoroid are, indeed, well defined.
http://onlinelibrary.wiley.com/doi/10./j.1945-5100.2009.01009.x/abstract
Randy Korotev
At 10:02 AM 2012-08-20 Monday, you wrote:
They might reasonably call it an anti-meteoroid shelter, but the
fact is, meteorite is not well enough
Here is how Rubin and Grossman (2010) [MAPS 45, 114-122] dealt with this:
Another difficult situation arises when considering projectiles that
strike a spacecraft. For example, publications reporting on the Long
Duration Exposure Facility (LDEF), which was exposed to interplanetary
space in
This does not make the terms well defined. It is only a proposal for a
more complex set of definitions. And even if widely adopted, it does not
remove the ambiguity in the case of this protective space shelter.
If the shelter is struck by a meteoroid, which then vaporizes, was it a
meteoroid
The shield is clearly protecting against meteoroids. I don't think this
is ambiguous at all. Similarly, one might want to protect Earth from
asteroid impacts, but you would not say it needed protection from
meteorites. It isn't the leftover bits that present the hazard... it is
the incoming
http://www.esa.int/esaSC/SEMDAB1YZ5H_index_0.html
Fantastic Phobos
European Space Agency
20 August 2012
Some 135 years after its discovery, Mars' largest moon Phobos is seen in
fantastic detail - and in 3D - in an image taken by ESA's Mars Express
spacecraft as it passed just 100 km by.
This
Happy Monday Everyone,
I am running a sale on a few of my very nice Kentland Cones recovered
earlier this year. Please have a look and see if there is something you
might want to add to your collection.
To mention a few of the current sales:
1. 5lbs Shattercone well developed with
Chris Peterson wrote:
What would you call such a shelter?
I'd call it the chapel, because if they have occasion to use it there
will be a whole lot of praying going on in there.
Chauncey
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Aug. 20, 2012
Dwayne Brown
Headquarters, Washington
202-358-1726
dwayne.c.br...@nasa.gov
MEDIA ADVISORY: M12-154
NASA TO ANNOUNCE NEW PLANETARY SCIENCE MISSION TODAY
WASHINGTON -- NASA will host a media teleconference at 5 p.m. EDT
today to discuss the selection of a new Discovery-class
Aug. 20, 2012
Dwayne Brown
Headquarters, Washington
202-358-1726
dwayne.c.br...@nasa.gov
RELEASE: 12-288
NEW NASA MISSION TO TAKE FIRST LOOK DEEP INSIDE MARS
WASHINGTON -- NASA has selected a new mission, set to launch in 2016,
that will take the first
For our friends Across the pond.
http://www.culture24.org.uk/science%20%26%20nature/space/art397306
Regards!
Tom
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Dear List,
Kadavu Island, Fiji Meteor? Loud Bang / Smoke Trail 17AUG2012
Three reports from some event in Fiji:
http://lunarmeteoritehunters.blogspot.jp/2012/08/kadavu-island-fiji-meteor-loud-bang.html
Dirk RossTokyo
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Dear List,
This was most likely widely seen from Belgium, Holland and Germany..?
Brasschaat, Belgium Bolide Meteor Fireball 19AUG2012
http://lunarmeteoritehunters.blogspot.jp/2012/08/brasschaat-belgium-bolide-meteor.html
Dirk Ross...Tokyo
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http://www.jpl.nasa.gov/news/news.cfm?release=2012-251
Curiosity Stretches Its Arm
Jet Propulsion Laboratory
August 20, 2012
Mars Science Laboratory Mission Status Report
PASADENA, Calif. -- NASA's Mars rover Curiosity flexed its robotic arm today for
the first time since before launch in
Hello Randy and all,
Thanks for the update on this subject.
It has prompted me to go back and update my article from March 2008:
http://meteorite-recovery.tripod.com/2008/mar08.htm
Bob's Findings:
From Asteroids to Meteoroids to Meteors to Meteorites -
Guess what? The International
Well, a solid body would have to produce the characteristics of a
meteor wouldn't it? We know a solid object produces a meteor. Be it
grain sized (as in meteor showers) or large size as in Hoba for example.
Just asking!
Regards!
Tom
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This is a meteoroid in space, which strikes an object while still in
space. If anything survives, it would be reasonably called a meteorite.
So you go from meteoroid to meteorite with no meteor phase in between.
The same scenario would apply to lunar meteorites. It is not necessary
to have a
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