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- Wed Aug 03, 2016 9:28 pm
- Forum: Astronomy & Astrophysics
- Topic: help answer my question! (Parallax(?))
- Replies: 0
- Views: 2515
help answer my question! (Parallax(?))
The earth sorround the Sun with a period of 365.25 days. An extraterrestrial creatures who live in other solar system observing the Earth's motion around the sun. If this solar system is moving away from the sun at a constant speed of 2000 km / sec, a. Explain (with the image) according to extraterr...