[meteorite-list] Mars Opportunity Rover Finds a Meteorite

[joseph_town at att.net]

How about a meteoroid hitting the Martian atmosphere at an almost parallel trajectory? A "Mars grazer". Could that extend it's flight and ablation time to produce the dramatic regmaglypts?

Bill

 
 -------------- Original message ----------------------
From: "Gerald Flaherty" <grf2 at verizon.net>
> Ron and List
> I was thinking(and quite frankly allowing my imagination free reign)? If the 
> meteorite fell when Mars had a thick enough (and I'm not sure how thick is 
> thick. Those scienists among us might like to quantify those parameters) to 
> produce those classic regamglypts, this object might have fallen tens or 
> hundreds of millions of years ago.
> If a thicker atmosphere is necessary to produce the spectatular thumb 
> prints, this same thicker atmosphere would also weather the object and 
> reduce some of the marvelous relief shown in the photos as is the case on 
> earth.
> This year's research has admirably  identified "rivers of  H20", maybe seas 
> and .....(who knows... tsunamis??) on the Red Planet.
> Should we think that the meteorite fell cooincidently, at the cusp of the 
> transition between thick and thin atmosphere and was thus spared some of the 
> worst erosion? Or that perhaps the transition from thick to thin was even an 
> abrupt phenomenon.(a warning message from our late neighbors in space WATCH 
> THOSE EMMISIONS EARTHLINGS! ... uhmm huma ha ha ha a-a-a!!!
> Jerry
> 
> ----- Original Message ----- 
> From: "Ron Baalke" <baalke at zagami.jpl.nasa.gov>
> To: "Meteorite Mailing List" <meteorite-list at meteoritecentral.com>
> Sent: Wednesday, January 19, 2005 3:03 PM
> Subject: Re: [meteorite-list] Mars Opportunity Rover Finds a Meteorite
> 
> 
> >>
> >>
> >> And, Ron, didn't one of the Rovers actually image a meteor earlier in
> >> the mission?
> >>
> >
> > Yes, it did.
> >
> > Ron
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