star, a giant ball of hot gas, big bang, the origin of the universe, galaxy, a large grouping of stars, eclipse, the total or partial blocking of one celestial body, orbit, the path of a celestial body, hydrogen, one electron and one proton, atmosphere, a layer of gases surrounding a planet, planet, a celestial body orbiting a star, telescope, an instrument that uses lenses, supernova, a cataclysmic explosion, Moon, astronomical body that orbits Earth, asteroid, a small planetary body in orbit around the Sun, cosmos, a complex and orderly system or entity, nebula, a cloud of dust and gas in space, matter, a word used to describe anything that contains mass, Jupiter, the largest planet in the Solar System.

Astronomy Terms

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