(meteorobs) Re: meteoron Mars
vaubaill
vaubaill at imcce.fr
Mon Jun 13 09:43:20 EDT 2005
Hello guys,
Waow, lots of questions!
Let me start me the easiest: the image was processed by M. Lemmon and J.
Bell, so I can't answer any of these question without taking the risk to
be 200% wrong ;-)
About meteors on Mars:
-yes there were some studies about meteor showers on Mars. See:
http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?bibcode=2004A%26A...416..783S&db_key=AST&high=425d6798a828937
http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?bibcode=1999P%26SS...47.1475C&db_key=AST&high=425d6798a811332
and for Venus:
http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?bibcode=2004Icar..168...23C&db_key=AST&high=425d6798a811332
-yes the idea to observe martian meteors "from above", and was already
done on the Earth during the Leonids by the satellite MSX (see
Jenniskens et al. 02)
-all these works are theoritical (of course)
-yes the entry velocity of meteors on Mars are lower than on Earth,
because Mars is farer away from the Sun than the Earth (just a
statistical effect of course).
-we know the observed streak is not Viking Orbiter A (and not VO2 as
mention by spance.com) because of the light curve
Jeremie
--
************************************************************
* Jeremie VAUBAILLON
* Dept. of Physics & Astronomy
* University of Western Ontario
* London, Ontario
* N6A 3K7
* CANADA
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* tel : +1 519-661-2111--87985
* fax : +1 519-661-4085
* URL : www.imcce.fr/~vaubaill/
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