Explain the Nebular Hypothesis.
Large cloud of gas and dust...also known as...
Cloud started rotation, forming the creation of _________
What force holds the condensed grains from the nebula together, and is the cause of the 'spin' ?
Planetesimals grow from constant ___________
Name for planets orbiting other stars.
Explain an observation from a distant star that would indicate that extrasolar objects exist within that star system, and cite the evidence that is used for scientists to come to that conclusion.