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发帖数: 1994 | 1 Mars Through a Small Telescope
Credit & Copyright: Francisco A. Rodriguez Ramirez (AstroEduca)
Explanation: How does Mars appear through a small telescope? Viewed with the unaided eye
or through a small telescope, possibly the most striking part of Mars' appearance is its red
color. The color derives from rust, iron oxide, which composes perhaps 10% of the Martian
soil. The oxygen that rusts the surface iron on Mars originates predominantly from carbon
dioxide gas, which composes 95% of |
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