Gravity and radiation keep stars in balance. But when they run out of energy, they collapse in on themselves. What happens next depends on how much mass they have.

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Jocelyn Bell Burnell is the astronomer who discovered pulsars. A man got the credit for it. Watch this true story about a groundbreaking scientist who was overlooked through history.

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The Arecibo telescope in Puerto Rico was one of the largest and most unique observatories in the world. It could even transmit signals to space. In 2020, it collapsed. Learn more about this fascinating tool and what discoveries it made during its 50 year career.

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