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Red Planet Day 2025 - November 28
November 29 , 2025
14 hrs 0 min
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- It commemorates the launch of the United States spacecraft Mariner 4 by NASA in 1964.
- The spacecraft was the first to take close-up photographs of Mars.
- Mars has varied terrain, including canyons, volcanoes, deserts, polar ice caps, and seasons.
- A year on Mars lasts 687 Earth days.
- Mars has a thin atmosphere, mostly of carbon dioxide.
- Gravity on Mars is about one-third of Earth’s gravity.
- Mars is about half the size of Earth and is called the Red Planet because of iron oxide on its surface.
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