How Did the Moon Come to Be?
Season 46
Episode 11
About the Episode
Samples from the Apollo mission support an intriguing new theory for how the Moon formed called the “Giant Impact Hypothesis”
Aired:
| Expires: | Runtime: 1m 01s
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Extras
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Egypt's Tombs of Amun Preview
A long lost ancient cemetery opens the door to a unique period in Egyptian history.0:30 -
What You’re Probably Seeing If You Spot a UFO
Our skies are full of objects, natural and manmade, that are not as strange as you might think.2:17 -
What Happens to Your Checked Bag at the Airport?
Getting the right bag to the right plane requires an ingenious system. Here’s how it works.2:34 -
Area 51: UFO Sightings and an Infamous Government Cover-Up
Area 51’s UFO myths became a cover for secret testing of cutting-edge military technology.2:35 -
Is the Government Hiding Information on UFOs?
What does the government know about UFOs? Experts weigh in on the need to identify these objects.1:03 -
The Physics of Breaking, a New Olympic Sport
Here are three moves in breaking, the newest Olympic sport, that appear to defy the laws of physics.1:19 -
Who is the Mystery Man Buried Under Notre Dame?
Can scientists identify the man buried inside a mysterious coffin found under Notre Dame?3:00 -
Dino Birds Preview
Fossils reveal how birds survived the killer asteroid and became today’s only living dinosaurs.0:29 -
Extreme Airport Engineering Preview
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.0:30 -
