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Cosmic Journeys

Birth of the Moon. Scientists have been reconstructing the history of the moon by scouring its surface, mapping its mountains and craters, and probing its interior. What are they learning about our own planet's beginnings?

Decades ago, we sent astronauts to the moon as a symbol of confidence in the face of the great cold war struggle. Landing on the moon was a giant leap for mankind. But it's what the astronauts picked up from the lunar surface that may turn out to be Apollo's greatest legacy. When the astronauts of Apollo stepped out of their landing craft, they entered a world draped in fine sticky dust, strewn with rocks, and pocked with craters. They walked and rambled about, picking up rocks that they packed for the return flight.

Back in earth-bound labs, scientists went to work probing the rocks for clues to one of the most vexing questions in all of science. Where did the moon come from? The answer promised to shed light on an even grander question. Where did Earth come from? And how did it evolve into the planet we know today?

Episode 12 - Birth of the Moon


Go to Cosmic Journeys Home or watch other episodes:

Episode 01 - Birth of a Black Hole
Episode 02 - The Largest Black Holes in the Universe
Episode 03 - The Most Powerful Objects in the Universe
Episode 04 - When Will Time End?
Episode 05 - How Large is the Universe?
Episode 06 - Mysteries of a Dark Universe
Episode 07 - The Riddle of AntiMatter
Episode 08 - The Incredible Journey of Apollo 12
Episode 09 - Mars: World That Never Was
Episode 10 - Crashing into the Moon
Episode 11 - Attack of the Sun
Episode 12 - Birth of the Moon
Episode 13 - Saturn's Mysterious Moons
Episode 14 - Alien Planets & Eyeball Earths: The Search for Habitable Planets
Episode 15 - Is the Universe Infinite?
Episode 16 - Venus: Death of a Planet
Episode 17 - Supermassive Black Hole at the Center of the Galaxy
Episode 18 - Voyage to Pandora: First Interstellar Space Flight
Episode 19 - The Search For Earth-Like Planets
Episode 20 - Super Hurricanes and Typhoons
Episode 21 - Hubble Space-Shattering Discoveries
Episode 22 - Voyager Journey to the Stars
Episode 23 - Plasma Rockets & Solar Storms
Episode 24 - Earth in 1000 Years
Episode 25 - Supervolcanoes
Episode 26 - Fate of Antarctica
Episode 27 - Life: Destiny or Chance?
Episode 28 - Interstellar Flight
Episode 29 - Hubble: Universe in Motion
Episode 30 - Solar Superstorms