Black Holes and Galaxies Crossword Puzzle
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QUESTIONS LIST: black hole: an object in space in which the gravity is strong enough from preventing even light from escaping, supermassive: the type of black hole in the center of most galaxies and can be millions of times the mass of the sun, halo: the outermost extent of a galaxy, containing a sparse distribution of stars and globular clusters, spiral: a flattened, rotating galaxy with pinwheel-like arms winding out from its central bulge, galaxy: a collection of millions/billions of stars, gas, and dust bound by gravity, bulge: the group of stars near the center of the galaxy, where stars are no longer bound to the disk, elliptical: the largest type of galaxy in the shape of ellipse and contains little interstellar material, irregular: . a galaxy without any clear symmetry or pattern; neither a spiral nor an elliptical galaxy, globular: a dense collection of typically older stars bound gravity, milky way: a large spiral galaxy that we call home, spiral arms: large bands of stars and gas that wrap around spiral galaxies, open: a loose collection of stars loosely bound by gravity, cannibalism: when a large galaxy merges with a smaller galaxy, local group: the galaxy cluster that we are a part of, escape velocity: the minimum speed needed for a free object to escape the gravitational influence of a massive body, singularity: all the matter that enters a black hole can be found at a single point thought to be the center of the black hole, event horizon: the surface around a black hole where the escape velocity is the speed of light, starburst: a description for a galaxy undergoing an exceptionally high rate of star formation, typically during a merger.