
Black Holes, Wormholes and Donut Holes
Brains On! Science podcast for kids
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Brains On
The idea of a black hole was proposed over 200 years ago, but it was only recently we were able to get proof of them. Black holes are spots in the univers filled with super dense materials. They are formed when stars collapse. And i wonder why goats pupils look like ind instead of circular balls like other mammals and animals.
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