Science Vocab Crossword Puzzle

The Initial explosion that resulted in the formation and expansion of the universe
A huge group of single stars, solar systems, star clusters, dust, and gas bound together by gravity
planets and their moons, and several kinds of smaller objects that revolve around the sun
a model of the solar system in which the earth and the other planets revolve around the sun
A model of the universe in which earth is at the center of the revolving planets and stars
a band of stars
a force that moves rocks and other materials down hill; the force that pulls objects toward each other
the tendency of an object to resist a change in motion
a loose collection of ice, dust, and small rocky particles, typically with a long, narrow orbit of the sun
a chunk of rock or dust in space
a streak of light in the sky produced by the burning of a meteoroid in earth atmosphere
rocky objects revolving around the sun that are too small and numerous to be considered planets