Dan Banks asked 4/19/2013 NASA have recently discovered three earth-like planets capable of supporting life. How likely is it that these planets already support intelligent lifeforms?
Chris Spence asked 6/1/2011 What are the differences and similarities of Kepler's laws of planetary motion and Newton's law of universal gravitation?
Euj Advincula asked 3/8/2011 Imagine that you are a scientist trying to find a place in outer space where human beings could live if and when earth could no longer support life.your choice might be another planet or a planet's moon.Describe the conditions in the place which you?
Anonymous asked 9/16/2010 What seismological tools are there that sense the planets rumblings/earthquakes?