Matching Pairs Space MatchOnline version Test your knowledge of astronomy with this fun matching pairs game! by Matt Davis 1 Planet 2 Telescope 3 Astronaut 4 Black Hole 5 Constellation 6 Solar System 7 Meteor 8 Galaxy An instrument used to observe distant objects in the sky A large celestial body that orbits around a star and shines by reflecting light A massive system of stars, gas, dust, and other celestial objects held together by gravity A small rocky or metallic object that enters the Earth's atmosphere and burns up A group of stars that form a recognizable pattern A person who travels in space The collection of planets, moons, and other celestial bodies that orbit around the Sun A region of spacetime with extremely strong gravitational forces that nothing can escape from