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on Nov 3, 2009 in Compact Objects
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Imagine an object with the mass of the Sun, crushed down to the size of Manhattan. Now set that object spinning hundreds of times a second, blasting out powerful beams of radiation like a lighthouse. That’s a pulsar, one of the most exotic objects in...
Weâ€™ve been so crazy following our own whims through the universe that weâ€™ve neglected your questions. That ends today. Itâ€™s time to dig deep into our overflowing email box to retrieve the puzzling questions our listeners have sent in.
Episode 73: Questions Show #8 (16.8MB)
This week we're going to study some of the most ancient objects in the entire Universe; globular clusters. These relics of the early Universe contain hundreds of thousands of stars, held together by their mutual gravity. Since they formed together, they give astronomers a unique way to test various theories of stellar evolution.
Episode 68: Globular Clusters (14.3MB)
Huge stars become black holes, and small stars become white dwarfs. But medium-sized stars can become neutron stars; exotic objects that overcome the nuclear force holding protons and electrons apart. What was once the size of a star is compressed down to only a few dozen kilometres across.
Episode 38: Neutron Stars and their Exotic Cousins(14.64MB)