Mars Exploration Rover Opprotunity

NASA

Sols 4500-4501: Bedrock With a Side of Sand

Written by Sharon Wilson Purdy, Planetary Geologist at Smithsonian National Air and Space Museum Earth planning date: Wednesday, April 2, 2025 Wow, sol 4500. What an impressive number of sols (Martian days) exploring the Red Planet! This delightfully even sol number made me wonder where the Mars Exploration Rover (MER) Opportunity was at this point in her mission (Opportunity’s twin rover, Spirit, explored Gusev…