Ask an Astronomer Video Podcast
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Real NASA astronomers answer questions about the exciting science of astronomy. Brought to You by NASA's Spitzer Science Center (SSC) and the Infrared Processing and Analysis Center (IPAC).
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Podcast Website:
http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ask_astronomer/video/index.html
What Will Happen to the Earth When the Sun Dies?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Tue, Jul 01, 2008
Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet.
 Download File - 32.7 MB
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Can a Planet Have Two Suns?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Thu, May 08, 2008
Dr. Carolyn Brinkworth examines whether science fiction could be science fact.
Download File - 27.3 MB
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Can a Galaxy Die?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Thu, Apr 10, 2008
Dr. Varoujan Gorjian fills us in on the end of a galaxy.
Download File - 17.3 MB
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Why Aren't There Any Green Stars?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Thu, Mar 13, 2008
Dr. Michelle Thaller explains why some stars appear red or blue, but not green.
Download File - 23.4 MB
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How Do You Discover an Asteroid?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Wed, Fe 13,
b 11:04:00 2008, PST
Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks.
Download File - 14.3 MB
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Special: Infrared: More Than Your Eyes Can See
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Tue, Dec 18, 2007
Dr. Michelle Thaller explains infrared light in this classic video.
Download File - 51.7 MB
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Special: M51 and Gizmo in 'Half-Baked Plan'
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Mon, Nov 05, 2007
What makes the Earth livable? In this special animated cartoon, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.
Download File - 36.3 MB
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What Happens When Galaxies Collide?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Sep 14, 2007
Dr. Varoujan Gorjian takes us inside interacting galaxies.
Download File - 15.1 MB
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What Is the Nearest Galaxy to the Milky Way?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Jul 27, 2007
Dr. Michelle Thaller takes us into the murky answer to this not-so-simple question.
Download File - 18.2 MB
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Why Isn't Pluto a Planet Any More?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Mon, Feb 12, 2007
Dr. Robert Hurt explains why Pluto got... well... plutoed.
Download File - 28.8 MB
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How Can We See a Black Hole?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Thu, Aug 24, 2006
If no light can escape from a black hole, how do we see them? Dr. Tom Jarrett answers.
Download File - 18.9 MB
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What Is a Redshift?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Wed, May 24, 2006
Dr. Tom Jarrett helps us understand this difficult scientific concept using a biplane, a flying saucer, and a cow.
Download File - 19.9 MB
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Do the Stars Really Move?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Dec 9, 2005
Dr. Steve Lord explains that the stars do move, but not in the way they appear to.
Download File - 22.8 MB
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Why Do We See Spiral Arms in Some Galaxies?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Tue, Oct 25, 2005
Dr. Steve Lord describes the processes that cause us to see spiral arms.
Download File - 15.1 MB
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Are Other Solar Systems Like Our Own?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Davy Kirkpatrick explains the weird and wonderful solar systems we know about.
Download File - 14.0 MB
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Do Other Solar Systems Exist?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Davy Kirkpatrick discusses extrasolar planets.
Download File - 16.9 MB
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What Is a Brown Dwarf?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Davy Kirkpatrick explains the nature of one of the most unusual objects in space.
Download File - 16.0 MB
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How Do Stars Live and Die?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Michelle Thaller explains the life cycle of stars.
Download File - 18.9 MB
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Why Is Spitzer Painted Black?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Michelle Thaller explains the color scheme of the Spitzer Space Telescope.
Download File - 12.4 MB
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Why Are Solar Eclipses Only Visible in Some Parts of the World?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Susan Stolovy answers the question of why only certain regions can see a solar eclipse.
Download File - 12.8 MB
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What Causes an Eclipse of the Moon?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, 14,
2005 Oct, 16:00:00
Doris Daou explains what causes eclipses.
Download File - 15.5 MB
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Why Does the Moon Look Like It Changes?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Doris Daou answers a question about the phases of the moon.
Download File - 17.4 MB
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Can You Feel a Solar Wind?
Author: NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Fri, Oct 14, 2005
Dr. Robert Hurt answers a question about solar physics.
Download File - 14.6 MB
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Why Doesn't the Moon Fall Down?
Author: Doris Daou explains orbits.
Fri, Oct 14, 2005
Doris Daou answers a question about gravity and orbits.
Download File - 12.2 MB
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