1. Mars is often called the red planet because a large layer of rust has formed on its surface.
2. Earth and Mars are quite similar planets. Because they both have a hard surface. The Earth's day lasts 23 hours 56 minutes, which is very similar to the Martian day. On Mars, as on Earth, there is a change of seasons.
3. Percival Lowell believed he saw a network of artificial canals on Mars.
1. Mars is often called the red planet because a large layer of rust has formed on its surface.
2. Earth and Mars are quite similar planets. Because they both have a hard surface. The Earth's day lasts 23 hours 56 minutes, which is very similar to the Martian day. On Mars, as on Earth, there is a change of seasons.
3. Percival Lowell believed he saw a network of artificial canals on Mars.
4. in color, similar to Jupiter and Venus
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