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  • Ross 54's Avatar
    2018-Jan-12, 04:21 PM
    Ross 54 replied to a thread Interstellar meteorite? in Astronomy
    Given the odd chemistry of the inclusions, including elemental aluminum, and a paucity of silica, it seems it could be interstellar. Either that, or...
    4 replies | 212 view(s)
  • Ross 54's Avatar
    2018-Jan-08, 03:52 PM
    Perhaps, but it's interesting to note than some of the tubular forms look as if they've been crushed flat, rather than smoothed round by wind driven...
    10 replies | 489 view(s)
  • Ross 54's Avatar
    2018-Jan-07, 08:11 PM
    Some of the strange shapes atop the Martian rocks appear rounded in cross-section. Would geological phenomena like crystal veins in rock, or cracks...
    10 replies | 489 view(s)
  • Ross 54's Avatar
    2018-Jan-06, 09:53 PM
    The Curiosity rover has run across some intriguing small objects on Mars. One astrobiologist has observed that they look very like the trace fossils...
    10 replies | 489 view(s)
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