NASA's Opportunity observes 'rock stripes' on Mars that may suggest actions of water
Opportunity was planned as a 90-sol mission as NASA did not expect the rover to survive through a Martian winter.
Feb 19, 2018, 11:02 AM IST
Opportunity was planned as a 90-sol mission as NASA did not expect the rover to survive through a Martian winter.
Feb 19, 2018, 11:02 AM IST