|
... in Victoria?As Opportunity drove deeper and deeper into the crater, it looked at the layered rocky outcrops at several places — ... sulphate ions. The changing salt concentrations suggest that the crater was once soaked in water that eventually drained away, depositing ... s Spirit up to?Opportunity's sister rover, Spirit, is also in a crater, called Gusev, on the other side of the planet. After snoozing ...
|