Space's Deepest Secrets
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Dr. Alan Guth unveils the theory of inflation.
02:19
Space's Deepest Secrets
The Theory of Inflation
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Liquid water flows intermittently on the surface of Mars. In those streams, microbial life may have managed to arise.
02:48
Space's Deepest Secrets
If There’s Water on Mars, Could There be Life?
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Scientists at the National Ignition Facility use lasers to create tiny fusion reactions, like those found in the sun.
02:30
Space's Deepest Secrets
Making Fusion
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Explore one of the first planets discovered in another star's habitable zone.
02:25
Space's Deepest Secrets
Cassini’s Final Moments
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Explore one of the first planets discovered in another star's habitable zone.
01:20
Space's Deepest Secrets
Kepler 186f – An Earthlike World
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Should our first off-world colony be in orbit, on the moon, or on Mars?
02:56
Space's Deepest Secrets
Where Should We Colonize First?
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Even this small asteroid which burned up in the atmosphere still destroyed property and injured 1,500 people.
02:20
Space's Deepest Secrets
The Russian Meteor of 2013
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Astronomers combine visible light, infrared light, ultraviolet light, X-rays, and radio waves for a dazzling image.
01:37
Space's Deepest Secrets
A Panchromatic View of the Galaxy
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Black Hole Collisions are the most powerful, violent events in the universe.
00:53
Space's Deepest Secrets
When Black Holes Collide
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A Dyson sphere is a theoretical mega-structure that could only be built by an advanced civilization. Have astronomers discovered one?
02:56
Space's Deepest Secrets
What's Passing in Front of This Star is Too Big to Be a Planet
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The Arecibo Message was a radio signal sent into space with information about Earth in the hope that alien intelligence could understand it -- and respond.
02:14
Space's Deepest Secrets
Listen to the Message We Sent to Space
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If another civilization built a giant energy collector, we could detect it.
00:53
Space's Deepest Secrets
Searching for Alien Technology
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Before heading into the solar system and beyond, get the latest weather conditions.
01:17
Space's Deepest Secrets
Your Planetary Weather Forecast
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Watch how these trillion-year stars "throw tantrums".
01:58
Space's Deepest Secrets
A Red Dwarf's Mega-Flare is More Powerful Than 100 Million Atomic Bombs
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Astronomers find a pulsar feeding off the gas of a nearby star.
02:54
Space's Deepest Secrets
A "Black Widow" Star is Devouring Its Neighbor
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Jupiter’s Great Red Spot – the largest and longest-running storm in our solar system – is shrinking. Juan Lora, a planetary scientist at UCLA, explains why.
02:31
Space's Deepest Secrets
This Is Why Jupiter’s Great Red Spot Is Shrinking
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Should our first off-world colony be in orbit, on the moon, or on Mars?
02:56
Space's Deepest Secrets
Where Should We Colonize First?
i
Explore one of the first planets discovered in another star's habitable zone.
01:20
Space's Deepest Secrets
Kepler 186f – An Earthlike World
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Explore one of the first planets discovered in another star's habitable zone.
02:25
Space's Deepest Secrets
Cassini’s Final Moments
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Scientists at the National Ignition Facility use lasers to create tiny fusion reactions, like those found in the sun.
02:30
Space's Deepest Secrets
Making Fusion
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Liquid water flows intermittently on the surface of Mars. In those streams, microbial life may have managed to arise.
02:48
Space's Deepest Secrets
If There’s Water on Mars, Could There be Life?
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Dr. Alan Guth unveils the theory of inflation.
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Space's Deepest Secrets
The Theory of Inflation
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The NASA probe endures intense radiation to learn Jupiter's secrets
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The Planets and Beyond
Juno Explores Jupiter’s Dazzling Auroras
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Mike explains how you can join the astronaut club.
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The Planets and Beyond
Which Planet Would Mike Massimino Like to Explore?
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Lightning on Jupiter extracts carbon from methane, turning it into diamonds
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The Planets and Beyond
Jupiter’s Rain of Diamonds
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Mike talks about tourism - in space.
00:52
The Planets and Beyond
Are Space Tourists Astronauts?
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When astronauts explore Mars, they'll need a way around communication delays of up to 22 minutes.
02:40
The Planets and Beyond
Texting on Mars
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Mike talks about his favorite memory from orbit.
01:04
The Planets and Beyond
Astronaut Mike Massimino's Best Space Moment
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Mike talks about the importance of teamwork.
01:07
The Planets and Beyond
What Does It Take to be a NASA Astronaut?
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What formed Orcus Patera? An asteroid, a volcano, or possibly Mars' third moon?
02:16
The Planets and Beyond
Mars' Most Mysterious Crater
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Mike reveals the moment he thought, “Maybe this wasn’t such a good idea."
01:05
The Planets and Beyond
Astronaut Mike Massimino's Scariest Moment
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Earth and Venus endured massive impacts in the distant past.
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The Planets and Beyond
Demolition Derby in the Early Solar System
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