Episode 253
Taking the Measure of the Universe with Quasars
Walkabout the Galaxy · Joshua Colwell
September 22, 202145m 43s
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Show Notes
Quasars, those incredibly bright and distant sources powered by supermassive black holes, may have a trick to their radiation that let's us use them as standard candles. We'll dive into that and take a dive in close to the Sun with the Parker Solar Probe to learn about its discoveries of new populations of dust in the inner solar system. Plus, impactor trivia, and how long would you want to stay in space?