The Milky Way and Andromeda Galaxies will Someday Collide
Season 48
Episode 16
About the Episode
Astronomers estimate that in about 4.5 billion years, the Milky Way and Andromeda galaxies will collide. Here's how it'll happen.
Aired:
| Expires: | Runtime: 2m 56s
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Extras
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Campi Flegrei: Italy’s Underground Super Volcano
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Is the Human Brain Actually Two Minds?
Severing the connection between the two halves of the brain reveals how the hemispheres function.5:17 -
Is Pain Made in the Brain?
This experiment shows how the brain can interpret — and misinterpret— pain.3:40 -
A Hidden Cause of Sinkholes Is Lurking Underground
About 40% of the U.S. is susceptible to sinkholes.2:21 -
The Mysterious Illness That Befell Eiffel Tower Construction Workers
Building the massive Eiffel tower on the bank of the Seine River posed more than one challenge.2:50 -
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The Birth of Artificial Intelligence
The origins of modern AI can be traced back to World War II.3:24 -
How Did Whales Evolve From Land Mammals?
The story of whales’ evolution from land mammals is hidden in their genes.3:08 -
Are Your Online Passwords as Safe as You Think?
Your dog's name, birthday, and zip code do not make secure passwords.2:22 -
The Deepest Underground Lab in the U.S.
A team of researchers hunt for dark matter deep underground in the Black Hills of South Dakota.1:44
