Share Facebook Twitter LinkedIn Pinterest Bluesky Threads Yesterday the Mars rover Perseverance looked over its shoulder, seeing its wheel tracks leading down the outer slope of Jezero Crater. Can you spot the wheel tracks? Credit: NASA/JPL-Caltech/S Atkinson by Busy_Yesterday9455
CFCYYZ on December 13, 2025 4:00 pm The red hills of Mars are fascinating, but I prefer[ The Green Hills of Earth](https://classicsofsciencefiction.com/2023/06/17/the-green-hills-of-earth-by-robert-a-heinlein/)
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The red hills of Mars are fascinating, but I prefer[ The Green Hills of Earth](https://classicsofsciencefiction.com/2023/06/17/the-green-hills-of-earth-by-robert-a-heinlein/)