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Recent posts

A Taste of Armageddon RobVG July 2, 2025 8:00 am (CurrentEvents)

We've got company ER July 2, 2025 7:50 am (Space/Science)

All Along the Watchtower ER July 1, 2025 9:13 pm (CurrentEvents)

Birthright Citizenship RobVG June 29, 2025 3:34 pm (CurrentEvents)

To be blunt, NASA is now dead RL June 27, 2025 11:56 am (Space/Science)

Musk trashes his own AI after it chose a liberal worldview. RobVG June 23, 2025 9:56 am (CurrentEvents)

Psyche keeps its date with an asteroid BuckGalaxy June 22, 2025 5:21 pm (Space/Science)

Just for the record... ER June 22, 2025 8:59 am (CurrentEvents)

The Three Unknowns After the U.S. Strike on Iran BuckGalaxy June 22, 2025 12:58 am (CurrentEvents)

There are only nine meals between mankind and anarchy. BuckGalaxy June 22, 2025 12:29 am (Flame)

Not ready for prime time BuckGalaxy June 19, 2025 12:18 pm (Space/Science)

hypocrisy ER June 15, 2025 2:30 pm (Flame)

More evidence of brine seeps on Mars? August 4, 2011 1:14 pm podrock

Nasa Slide show

story from JPL

  • Where are the salt deposits then? Those streaks look dark. Shouldn't salt deposits left behind look bright? And, excuse my ignorance, but shouldn't ... by Jeff-Wash 2011-08-04 15:37:39
    • Brines and salt deposits are often dark due to dissolved impurities--or algae and bacterial growth! by carter j burke 2011-08-05 12:21:28
      • Boundry Layer Bedforms by podrock 2011-08-04 18:46:57
        • OK I'm sold. Fascinating idea - it never occurred to me to check for any more effects of wind and air ... by VelociraptorBlade 2011-08-04 21:51:45
          • I've spent a lot of time in the desert; and I can tell you, wind is weird. And it paints ... by podrock 2011-08-04 22:08:39
            • I've spent a lot of time in an area that's the Atacama for one half of the year and Bangladesh ... by VelociraptorBlade 2011-08-05 00:38:16
      • compelling animation. by Robert 2011-08-04 14:25:59

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