你們認為有水內行星嗎??

2007-07-18 10:02 pm
你們認為有水內行星嗎??
(註:水內行星是太陽系水星以內的行星。)

回答 (1)

2007-07-19 12:13 am
✔ 最佳答案
No, since the orbit is too close to the sun, the attraction of the sun will be very large, if there is any planet, it's rotating speed will be very very fast. The faster the rotation speed, the more unstable of the planet since different postions of the planet will experince different speed. So, if any object have an orbit close to the sun, it must be very small, cannot be classified as a planet.

And the orbit is close to sun, the gravitational force will break the planet, that is similar to the rings of Jupiter (the ring is weak) and that of Uranus. Their mass is large and break the statelite near them and the pieces become rings.


收錄日期: 2021-04-13 14:06:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070718000051KK02153

檢視 Wayback Machine 備份