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Astronomy: Essential Facts

As a ____ orbits the Sun, its tail is blown away from the Sun. asteroid
Everything in the Milky Way orbits around a supermassive ____. black hole
An ____ orbits a star outside of the solar system. comet
About 66 million years ago, a massive ____ hit the Earth. dwarf planet
Pluto is a ____ because it has not cleared its orbit. exoplanet
Proxima Centauri is the closest known ____ to the Sun. meteor
A ____ entering the Earth's atmosphere looks like a shooting star. satellite
The Moon is a ____ that orbits the Earth every 27.3 days. star