It was the first extra solar planet recorded in visible light. It was spotted by the Hubble Space Telescope on the periphery of a bright star known as Fomalhaut. Now, astronomers believe it's really two planets by their action on a giant ring of dust.

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Added: Tue May 01 00:08:15 UTC 2012
Air date: Wed Apr 25 00:00:00 UTC 2012
Duration: 04:49

We've all seen pictures of Earth from space, but rarely against the starscapes of the Milky Way galaxy. Here is Earth in its cosmic context, including stars, interstellar gases, the moon, the sun, aurorae, and solar winds.

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Added: Thu Mar 15 00:12:16 UTC 2012
Air date: Sat Mar 10 08:00:00 UTC 2012
Duration: 04:14
Rating: 4.3 / 5.0

Revel in Earth as Art. Landsat missions were launched for scientific purposes, but they make up one of the most awe-inspiring collections of beautiful images of our home planet.

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Added: Wed Mar 07 16:08:13 UTC 2012
Air date: Thu Feb 16 00:00:00 UTC 2012
Duration: 13:31
Rating: 4.3 / 5.0

Spectacular views of familiar landmasses and bodies of water from an astronauts point of view aboard the International Space Station, over 330 kilometers (205 miles) above Earths surface.

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Added: Tue Dec 27 01:07:12 UTC 2011
Air date: Mon Dec 26 00:00:00 UTC 2011
Duration: 03:47
Rating: 4.4 / 5.0

The Mars Science Lab is scheduled to land on Mars on August 6, 2012. The rover Curiosity will complete a more precise landing than ever before, and will help determine whether Mars has ever been able to support life.

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Added: Tue Dec 13 07:36:14 UTC 2011
Air date: Fri Dec 09 00:00:00 UTC 2011
Duration: 13:35
Rating: 4.5 / 5.0

Aliens with no awareness of Earth's civilizations, atmosphere, and magnetic field may regard these unexplained phenomena as "Ghost Lights." Timelapse sequences from astronauts aboard the International Space Station.

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Added: Wed Dec 07 06:48:08 UTC 2011
Air date: Fri Nov 18 00:00:00 UTC 2011
Duration: 04:10
Rating: 4.5 / 5.0

Two groups of astronomers sought to find out how quickly gravity is reining in the expansion of the universe. Instead, they found that the universe is accelerating outward.

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Added: Wed Nov 30 23:39:16 UTC 2011
Air date: Wed Nov 30 00:00:00 UTC 2011
Duration: 04:30
Rating: 4.4 / 5.0

Albert Einstein sought to explain why the gravity of all the stars and gas out there didnt simply cause the universe to collapse into a heap. Following the discovery of the expanding universe, he admitted to the "greatest blunder" of his career.

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Added: Wed Nov 30 04:31:13 UTC 2011
Air date: Tue Nov 29 00:00:00 UTC 2011
Duration: 03:51
Rating: 4.5 / 5.0

This virtual tour is based on data from NASA's Lunar Reconnaissance Orbiter. Enjoy this "new" Moon and its noteworthy destinations. It's so clear and beautiful you'll want to go there yourself.

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Added: Fri Nov 11 08:46:12 UTC 2011
Air date: Thu Nov 10 00:00:00 UTC 2011
Duration: 05:34
Rating: 4.2 / 5.0

From NASA's Scientific Visualization Studio. Every 11 years, as the sun reaches its maximum activity they become bigger and more common, and that increases the chances that one will significantly affect Earth.

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Added: Sun Aug 14 23:53:10 UTC 2011
Air date: Sun Aug 14 00:00:00 UTC 2011
Duration: 02:52
Rating: 4.3 / 5.0

The Voyager Spacecraft has discovered a sea of magnetic bubbles frothing up out where the solar system meets the interstellar medium. From NASA Heliophysics.

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Added: Thu Jul 07 23:48:13 UTC 2011
Air date: Thu Jul 07 00:00:00 UTC 2011
Duration: 02:34
Rating: 4.4 / 5.0

From NASA's Solar Dynamics Observatory, these are images of the big solar eruption on June 7, 2011. The details of the CME, or Coronal Mass Ejection, are fascinating as the gas flies off the solar surface and crashes back down.

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Added: Thu Jul 07 23:47:11 UTC 2011
Air date: Thu Jul 07 00:00:00 UTC 2011
Duration: 01:26
Rating: 3.9 / 5.0

Buzz Aldrin described the "Magnificent Desolation" of the lunar surface. Rarely do those words ring as true as in these recent images from the Lunar Reconnaissance Orbiter.

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Added: Tue Jul 05 04:18:11 UTC 2011
Air date: Sat Jul 02 00:00:00 UTC 2011
Duration: 03:32
Rating: 4.2 / 5.0

You won't want this video to end. Go behind the scenes on the space shuttle Endeavour's final flight, the second to the last space shuttle flight, and the final mission for the legendary shuttle commander, astronaut Mark Kelly.

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Added: Thu Jun 23 03:49:11 UTC 2011
Air date: Wed Jun 22 00:00:00 UTC 2011
Duration: 16:00
Rating: 4.1 / 5.0

An intimate tour of Earth's most impressive landscapes as captured by astronauts. Dr. Justin Wilkinson from NASA's astronaut team describes the special places that spacemen focus on whenever they get a moment.

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Added: Fri May 27 23:00:12 UTC 2011
Air date: Fri May 27 00:00:00 UTC 2011
Duration: 07:00
Rating: 4.3 / 5.0

The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. From NASA Astrophysics

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Added: Wed May 25 07:46:10 UTC 2011
Air date: Tue May 24 00:00:00 UTC 2011
Duration: 02:26
Rating: 4.1 / 5.0

The search for Earth-like planets beyond our solar system is the search for the special conditions that have allowed our planet to develop a stable biosphere.

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Added: Fri May 06 22:31:12 UTC 2011
Air date: Wed May 04 00:00:00 UTC 2011
Duration: 03:04
Rating: 4.6 / 5.0

Rovers and orbiting spacecraft have been combing the surface of Mars for evidence of water. Here's what they've found.

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Added: Fri May 06 05:19:09 UTC 2011
Air date: Tue May 03 00:00:00 UTC 2011
Duration: 04:44
Rating: 4.5 / 5.0

One of the most fertile grounds for finding Earth-like planets turns out to be a long-overlooked class of stars. M Stars, or red dwarfs, range from one half to one-twentieth the mass of our sun and make up 76% of all the stars in our galaxy.

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Added: Tue May 03 05:44:09 UTC 2011
Air date: Mon May 02 00:00:00 UTC 2011
Duration: 03:26
Rating: 4.4 / 5.0

This is an excerpt from Cosmic Journeys "Cold Sparks & Black Holes." It's the start of a journey through the incredible continuum of cosmic energy of which we are a product.

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Added: Fri Apr 22 05:48:11 UTC 2011
Air date: Thu Apr 21 00:00:00 UTC 2011
Duration: 05:51
Rating: 4.6 / 5.0