Space Vocabulary Crossword

A disc shaped ring in the middle of the orbits of Mars and Jupiter that contains rocks that have similar material in planets.
The capacity for the biosphere and human civilization to coexist.
The 8 planets and other smaller objects revolving around the sun on the Orion's arm of the Milky Way Galaxy.
All space, time, and their contents, including planets, galaxies, and stars.
The envelope of gases surrounding the earth or another planets.
The uppermost layer of something.
The force of attraction between objects in the universe.
The universe's ___________ (ingredients) is made up of stars, galaxies, and planets.
Large planet composed mostly of gases with a relatively small rocky core.
Type of exoplanet with an icy surface of volatiles such as water, ammonia, and methane.