Red Soily Plain

After one failed attempt, the Mars rover Opportunity has defeated a literal slippery slope and left its home crater. Now it is 9 meters from the rim, well and truly out on the red soily plains. NASA is having a press briefing today to announce another significant scientific finding from the rover.

Update: Over at Mainly Martian, Oliver Morton expects that the announcement concerns geolocic evidence pointing to proof that Mars once had open water, in the form of lakes or seas.

Update, 2pm: “Opportunity is parked on what was once the shoreline of a salty sea on Mars.” More on Slashdot, Metafilter, Bad Astronomy, and Mainly Martian.


  1. Martian Soil says:

    The Salty Sea

    Alas, I missed the announcement due to a family commitment. But, here are a few links. An article on, plus an associated article. Here’s’s coverage. Some blog coverage: Adot’s Not Blog does the usual great job of trying…