Wind and dry dust...

Space/Science » in reply to Not only looks "moist" versus "dry" but the spherules are back on top...

Nick Hoffman — 12/20/2004 3:22:14 AM (archived)

The way I see it:

Fresh tracks show sharp edges, but are formed of incredibly fine Mars dust. The protective layer of spherules has been pressed down into the dust.

Within months, the winds blow the surface dust away to re-expose the spherules and round-off the track prints.

The whole thread (10 posts)

Old tracks, new tracks - Tom Brosz - 12/17/2004 11:33:15 PM
- Not only looks "moist" versus "dry" but the spherules are back on top... - Marvi - 12/19/2004 9:38:55 PM
  - Wind and dry dust... - Nick Hoffman - 12/20/2004 3:22:14 AM
    - Makes sense...therefore the protective shell site should be pretty weathered by now .. - Marvi - 12/20/2004 2:36:08 PM
- Clear Tracks - Nick Hoffman - 12/18/2004 1:03:06 AM
  - Not Browser, per se... - Nick Hoffman - 12/20/2004 3:24:09 AM
  - Picture problems - Tom Brosz - 12/18/2004 2:33:14 AM
    - Came up fine for me on Explorer 6.0.2800.1106IS - LJ - 12/18/2004 8:19:27 AM
- Actually, that first pic is surprising! - R.L. - 12/17/2004 11:39:00 PM
  - They're checking out the tracks more closely. - Tom Brosz - 12/17/2004 11:41:34 PM

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