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