Planet Definition and 810 Threads

Just an observation that may open some discussion on just how fragile the Earth's condition is. When we look at the changes in seasons from winter to summer we know that this is caused by the angle of axis of the planet as it orbits the sun ( am I correct in say ing this). So in summer for...

I recently read an interesting theory by Issac Asimov. Here is a link to a summery of the article, including the equation mentioned below... http://www.jmp.com/news/jmpercable/fall97/just_mooning_around.html Asimov calculates a ratio of the force a planet (primary) is exerting over the force...

http://space.com/spacewatch/where_is_mars.html

http://space.com/spacewatch/where_is_mars.html

Is this really true, maybe in NY but not as a whole, anybody got any government figures on this? Maybe we can find the most lazy place on the planet, then I am emigrating :)

Why does physicist only talk about gravity collpase on stars? Doesn't gravity collapse happen to planets? I mean they do not have any process such as nuclear fusion do repell gravity.

http://www.msnbc.com/news/937147.asp Check this out. This Jupiter-sized planet is practically as old as the universe. Go figure.

Okay, so I am staying in the holiday inn express this past week, and there is a sign in my room next to the clean white towels stating in bold letters: SAVE OUR PLANET the sign ultimately is asking for the hotel guest to not use excess towels because it hurts our planet to wash unused...

[SOLVED] Treasure Planet! Did you like it or hate it? My daughter loves it and I love the song "Im still Here!" got it free at kazaa.:wink: Later ppls Dx :wink:

I have always had a fascination of Pluto, is it labeled as a lost satellite of Neptune, or a planet on it's own because of Charon?