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The Lives of the Stars

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After bursting, these stars coalesced into the first small galaxies. These then merged to form larger ones, including our own Milky Way, which formed about 11 billion years ago.

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Using computer animation and amazing astronomical art, astronomer and COSMOS host, Dr. Carl Sagan shows how stars are born, live, die and sometimes collapse to form neutron stars and black holes. Viewers then journey to the future to witness "the last perfect day on Earth," 5 billion years from now, when the Sun will engulf our planet in its fires.

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