On Tue, 07 Sep 2010 16:06:15 -0500, you wrote: >Another issue (probably more important) is that lunar escape velocity >is only 2.4 km/s and very little material ejected from the Moon is >going much faster than that. This velocity compares with 20-40 km/s >for asteroidal meteorites. Is a rock entering the atmosphere at 2.4 >km/s going to noticeably incandesce? I don't know.
The minimum velocity of a meteor entering the Earth's atmosphere is Earth's escape velocity of 11.2 km/s. The escape velocity of the parent body is irrelevant. http://www.google.com/#hl=en&source=hp&q=minimum+speed+meteor&aq=f&aqi=&aql=&oq=&gs_rfai=CvX3Z76yGTOLhPIOIyAStwKCTBQAAAKoEBU_QhF8-&pbx=1&fp=983d1b7d11262f2f ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
