- How are the features on Mars similar to and different from features
on Earth? (See answer)
- Study the two images of Mars showing nearly opposite sides of the planet.
Describe the similarities and differences between the two images. (See
answer)
- What two factors combined to make these observations of Mars so special? (See answer)
- What do you think life on Earth will be like in 2287, when another close
meeting with Mars occurs?
(See answer)
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