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2:15
Knights and firearms clashed on the battlefield for over 200 years.
1:39
Watch this interview with Sir Arthur C. Clarke for The Mind Machine (1978.)
2:30
Most objects with a radius over 200 miles are spherical, but Haumea is an exception.
0:55
As comets cross the invisible boundary known as the ice line, their ice starts turning into gas.
2:35
For millions of years, a tiny moon has made a significant impact on the structure of Saturn’s rings.
3:27
This is what it would be like to walk on the surface of Venus.
5:05
An international investigation into the fatal submersible implosion is underway.
4:15
Recent hurricanes blow away records for destruction, costing over a trillion dollars in 20 years.
2:16
The moon Phobos has a mysterious origin but a certain expiration date.
1:39
Some large meteorites survive their descent through our atmosphere and land on Earth.
