Astronomy Picture of Day: Ridges on Mars# Astronomy - 天文
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Rectangular Ridges on Mars
Credit: Malin Space Science Systems, MGS, JPL, NASA
Explanation: What could cause rectangular ridges on Mars? As data flows in from the two
spacecraft currently orbiting Mars, surface structures are seen that are not immediately
understood. These structures pose puzzles that planetary geologists are eager to solve, as
they might provide clues to past processes that have shaped Mars over billions of years. On
the right of the above image is an unusual array
Credit: Malin Space Science Systems, MGS, JPL, NASA
Explanation: What could cause rectangular ridges on Mars? As data flows in from the two
spacecraft currently orbiting Mars, surface structures are seen that are not immediately
understood. These structures pose puzzles that planetary geologists are eager to solve, as
they might provide clues to past processes that have shaped Mars over billions of years. On
the right of the above image is an unusual array