Black Holes, and Friends

The nucleus of our galaxy (the Milky Way) is a bit of a mystery. Astronomers are aware that it’s packed with older stars and that it mysteriously gives off an enormous amount of energy, and these facts give rise to the theory that a super-massive black hole may be the cause. Some black holes are collapsed stars, and some are super-massive, having the gravity of a million stars. For more information on galaxies, visit the iTunes store and hunt for the Kids Discover Galaxies app. And be careful where you stand…


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