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Re: APOD: A Dust Devil of Mars (2012 Apr 13)

Posted: Wed Apr 18, 2012 1:37 pm
by geckzilla
Irishman wrote:
Chris Peterson wrote:
Alnilam wrote:But it's air- substantial enough to produce meteors, ...
Air produces meteors? Oh, you mean that meteors entering Mars' atmosphere actually glow and have tails.

Wikipedia says: "The visible path of a meteoroid that enters Earth's (or another body's) atmosphere is called a meteor"

Re: APOD: A Dust Devil of Mars (2012 Apr 13)

Posted: Wed Apr 18, 2012 2:34 pm
by Chris Peterson
Irishman wrote:
Chris Peterson wrote:
Alnilam wrote:But it's air- substantial enough to produce meteors, ...
Air produces meteors? Oh, you mean that meteors entering Mars' atmosphere actually glow and have tails.
Meteors are what you get when a meteoroid ablates in the atmosphere, producing light- and that happens on Mars as well as the Earth.

Re: APOD: A Dust Devil of Mars (2012 Apr 13)

Posted: Wed Apr 18, 2012 2:44 pm
by neufer
Chris Peterson wrote:
Meteors are what you get when a meteoroid ablates in the atmosphere, producing light- and that happens on Mars as well as the Earth.
Greek: μετέωρος metéōros "lofty; high (in the sky)" (from μετα- meta- "above" and ἐωρ eōr "to lift up").