openmic

The fact that Earth observers always see teh same side of the Moon is explained by the Moon's (what) a. eclipse b. penumbra c. gravity d. synchronous rotation

well if you have AIM please IM me Live On a Stage if you can help me with the planets i just need to know like size, atmosphere, weather, surface, number of moons, and relative position to the sun but its certain planets. and i really dont feel like going to to google. no one has what i need. PLEASE HELPME!

Yeah i take Earth Science. and i was asked to compare the geocentric model with the heliocentric model... What???? If you need to know we're discussing over solar system....