--- David Pensenstadler [EMAIL PROTECTED] wrote:
My guess is that the asteroid will take out the Mars
Odyssey (THEMIS) satellite before hitting
Opportunity
on the surface.
Or, as a friend of mine said, Please, please don't
hit the Face!
If it DOES hit Mars, I wonder what observations
It's interesting to speculate on the effect a second massive, observed
planetary impact in 15 years (or 3 in 100, if you count Tunguska) would
have on policy makers. One might expect that it would redouble
investment in the search for, and technologies for dealing with, PHAs.
One might hope
Hi, Mark, Francis, List,
Heck of a good question implied here (what does
it take to stir the inert?). I suggest a small impact crater
on the White House lawn! Or in the Washington Mall!
A nick in the Capitol Dome? Take one tacky corner off
Parliament? A small Paris suburb? (It would never be
Scientists say the object currently has a 1-in-75 chance of colliding
with the planet, but that probability is expected to go down over the
next month as more observations are made.
Let me guess... it has a 74 in 75 probability to go down and 1 in 75
chance to go up?
I'm always amused over
Hi Göran:
It is all in the timing. If I remember correctly, when orbits are
calculated, the greatest uncertainty is in the time of perihelion passage
(where it is in its orbit). So, while they know the inclination of the
orbit (where it will be when it crosses the orbit of Mars), the greatest
There is a NASA press release coming out on this today. We'll also post
some graphics on the NEO website. Stay tuned.
Ron Baalke
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My guess is that the asteroid will take out the Mars
Odyssey (THEMIS) satellite before hitting Opportunity
on the surface.
Happy Holidays to all
Dave
--- [EMAIL PROTECTED] wrote:
Hi Göran:
It is all in the timing. If I remember correctly,
when orbits are
calculated, the greatest
Big foot in mouth... Well, I only managed to prove my inability to
understand orbital calculations. It is of course easier to measure speed
and position orthogonally to the plane of the planet system.
Thanks for giving the necessary explanation to kick my brain in the
right orbit.
:-)
http://www.msnbc.msn.com/id/22350742/
Watch the skies! We may be getting (okay a LONG time down the road) more
Martian meteorites...:)
Tracy Latimer
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