Ejecta size-velocity relation derived from the distribution of the secondary craters of kilometer-sized craters on Mars

Physics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

6

Scientific paper

The relation between the size and velocity of impact crater ejecta has been studied by both laboratory experiments and numerical modeling. An alternative method, used here, is to analyze the record of past impact events, such as the distribution of secondary craters on planetary surfaces, as described by Vickery (Icarus 67 (1986) 224; Geophys. Res. Lett. 14 (1987) 726). We first applied the method to lunar images taken by the CLEMENTINE mission, which revealed that the size-velocity relations of ejecta from craters 32 and 40 km in diameter were similar to those derived by Vickery for a crater 39 km in diameter. Next, we studied the distribution of small craters in the vicinity of kilometer-sized craters on three images from the Mars Orbiter Camera (MOC) on board the Mars Global Surveyor (MGS). If these small craters are assumed to be secondaries ejected from the kilometer-sized crater in each image, the ejection velocities are of hundreds of meters per second. These data fill a gap between the previous results of Vickery and those of laboratory studies.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Ejecta size-velocity relation derived from the distribution of the secondary craters of kilometer-sized craters on Mars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Ejecta size-velocity relation derived from the distribution of the secondary craters of kilometer-sized craters on Mars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ejecta size-velocity relation derived from the distribution of the secondary craters of kilometer-sized craters on Mars will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1629580

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.