What Put the Bang in the Big Bang? (1:09)
Find out what most physicists believe caused the "bang" when the universe came into being.
Videos (17)
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What Put the Bang in the Big Bang?
What Put the Bang in the Big Bang?Video Clip (1:09)
Video Clip (1:09)
Find out what most physicists believe caused the "bang" when the universe came into being.
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Age of The Universe
Age of The UniverseVideo Clip (1:05)
Video Clip (1:05)
The universe is approximately 14 billion years old, but how have scientists determined this number? Astrophysicist Alex Filippenko fills us in.
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Backyard Astronomer - Viewing the Planets
Backyard Astronomer - Viewing the PlanetsVideo Clip (3:03)
Video Clip (3:03)
Backyard Astronomer video: Viewing the Planets, the basic foundation of our Solar System.
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What is the Volume of the Known Universe?
What is the Volume of the Known Universe?Video Clip (1:00)
Video Clip (1:00)
Ever wonder how immense the universe really is? Astrophysicist Alex Filippenko puts it in perspective.
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Solar Eclipses
Solar EclipsesVideo Clip (1:02)
Video Clip (1:02)
Will solar eclipses eventually become a thing of the past? If so, when?
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Beyond the Big Bang: Galileo Galilei
Beyond the Big Bang: Galileo GalileiVideo Clip (3:36)
Video Clip (3:36)
In a History Beyond the Big Bang video, discover that the sophisticated telescopes used by astronomers today to see distant galaxies are direct descendents of the humble lenses used by Galileo Galilei over four hundred years ago.
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Beyond the Big Bang: Copernicus
Beyond the Big Bang: CopernicusVideo Clip (4:25)
Video Clip (4:25)
In a History Beyond the Big Bang video, discover that beneath the marble floor of Frombork Church in northeastern Poland, inside a dusty crypt, local legend believes that the body of famed astronomer, Nicolas Copernicus, is buried.
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Beyond the Big Bang: Tour of the Universe
Beyond the Big Bang: Tour of the UniverseVideo Clip (2:14)
Video Clip (2:14)
In a History "Beyond the Big Bang" video, take a tour of the universe. For us, the view of the universe begins with earth, a silicone and oxygen based planet with a metallic core. The earth's surface is mostly made up of water and teems with life.
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Behold The Milky Way
Behold The Milky WayVideo Clip (3:16)
Video Clip (3:16)
In this "The Universe: Backyard Astronomer" video, learn about earth's galaxy, the Milky Way. The Milky Way galaxy consists of 100 to 300 billion stars and is made up of three main parts, the disk, the halo, and the galactic bulge.
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Can Antimatter Naturally Occur?
Can Antimatter Naturally Occur?Video Clip (0:58)
Video Clip (0:58)
Astrophysicist Alex Filippenko explores whether antimatter can naturally occur in the universe and explains what exactly a positron is.
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Matter or Energy: Which is More Plentiful?
Matter or Energy: Which is More Plentiful?Video Clip (1:01)
Video Clip (1:01)
Which is more abundant in the universe, matter or energy?
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Faster Than Light Expansion
Faster Than Light ExpansionVideo Clip (1:06)
Video Clip (1:06)
Is it possible for the universe to expand faster than the speed of light, or would that violate Einstein's Theory of Relativity?
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Where Do Quasars Originate?
Where Do Quasars Originate?Video Clip (1:01)
Video Clip (1:01)
Accelerating nearly as fast as the speed of light, where exactly do quasar jets form?
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Exploding Star Chemicals
Exploding Star ChemicalsVideo Clip (1:02)
Video Clip (1:02)
Are heavy chemical elements produced by star explosions? If so, how do we know this?
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What is a White Hole?
What is a White Hole?Video Clip (0:57)
Video Clip (0:57)
We've all heard of black holes, but what exactly is a white hole?
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What is Dark Energy?
What is Dark Energy?Video Clip (0:59)
Video Clip (0:59)
What role does dark energy play in the universe? Astrophysicist Alex Filippenko describes a discovery that changed our understanding of how the universe works.
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Expansion, What Does it Apply to?
Expansion, What Does it Apply to?Video Clip (1:00)
Video Clip (1:00)
Does the expansion of the universe apply to our bodies, Earth and the solar system? Astrophysicist Alex Filippenko explains.
Photo Galleries (4)
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The Universe Season One
The Universe Season One(13 Photos)
13 Photos
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The Universe Season Two
The Universe Season Two(13 Photos)
13 Photos
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The Universe Season Three
The Universe Season Three(12 Photos)
12 Photos
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The Universe Season Four
The Universe Season Four(6 Photos)
6 Photos
Interactives (2)
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Interactive Universe
Interactive UniverseInteractive
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Facts about the Universe
Facts about the UniverseInteractive
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