MARSIS probes Medusae Fossae Formation |
MARSIS probes Medusae Fossae Formation |
Nov 1 2007, 09:47 PM
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Member Group: Members Posts: 213 Joined: 21-January 07 From: Wigan, England Member No.: 1638 |
MARSIS finds the Medusae Fossae Formation to be massive deposits more than 2.5 km thick in places.
Ash, dust, or ice deposits? Dielectric constant measurements hint at ice... http://www.jpl.nasa.gov/news/news.cfm?release=2007-126 -------------------- "I got a call from NASA Headquarters wanting a color picture of Venus. I said, “What color would you like it?” - Laurance R. Doyle, former JPL image processing guy
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Nov 2 2007, 08:49 AM
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#2
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Senior Member Group: Members Posts: 1729 Joined: 3-August 06 From: 43° 35' 53" N 1° 26' 35" E Member No.: 1004 |
MARSIS finds the Medusae Fossae Formation to be massive deposits more than 2.5 km thick in places. Ash, dust, or ice deposits? Dielectric constant measurements hint at ice... http://www.jpl.nasa.gov/news/news.cfm?release=2007-126 The preprint of the Science paper "Radar Sounding of the Medusae Fossae Formation Mars: Equatorial Ice or Dry, Low-Density Deposits?" is available http://www.sciencemag.org/cgi/content/abstract/1148112 |
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Apr 19 2008, 11:29 PM
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#3
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
Mars radar opens up a planet’s third dimension
http://www.esa.int/SPECIALS/Mars_Express/SEMIF74XQEF_0.html Interesting animation in the latest press release. |
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Apr 20 2008, 02:16 PM
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#4
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Member Group: Members Posts: 267 Joined: 5-February 06 Member No.: 675 |
Neat images, but a minor quibble. The image comparing the MARSIS and SHARAD images of the same region show only a single nadir track. It apparently is for the MarsExpress MARSIS image; the MRO SHARAD image gives a sufficiently different surface contour that it must have had a different nadir track.
Nonetheless, great insights into the planet's glacial geology. Steve M Edited to correct text and image |
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