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Many consider “Earthrise,” to be one of the most important photos of the 20th century.
2:24
Apollo 8 was the first in the world to head to the moon using trans-lunar injection.
5:38
Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.
2:37
What kind of clues led to the discovery of Dark Matter and its place in the universe?
4:40
NASA’s Kepler mission lets us search for planets orbiting stars outside our solar system.
6:14
Scientists discover evidence for the key ingredients for life on Saturn's moon Enceladus.
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Physicist Brian Greene discusses his return to NOVA with "The Fabric of the Cosmos."
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Discover the FOUR types of black holes that exist in the cosmos.
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Our next door neighbor is most like Earth in terms of size and mass.
1:30
PBS journeys through the solar system to explore NOVA’s “The Planets.”
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Earth is the only known planet to harbor life.
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Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?
