The Best Episodes of How the Universe Works Season 9

Journey to the heart of the M87 supermassive black hole, the first and only black hole ever photographed, and explore the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.

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Experts embark on a ground-breaking mission to land on a comet.

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A brand-new NASA mission to the Sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the Sun's atmosphere, what it finds challenges everything known about this strange place.

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New discoveries reveal the power of microscopic alien organisms.

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Dead stars called white dwarfs may be the key to understanding the cosmos.

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Galaxies are locked in continual combat across the universe, and our own Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.

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The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.

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Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.

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New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.

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Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe’s greatest mysteries.

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New discoveries reveal the secrets of mysterious alien worlds.

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