29 episodi
Ask an Astronomer NASA's Spitzer Science Center / IPAC / NASA / Caltech
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- Scienze
Real NASA astronomers answer questions about the exciting science of astronomy.
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Where Is the Center of the Universe? (Ask an Astronomer)
Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe.
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- video
W-5 Star-Forming Region (What Is It?)
Visit the W-5 star-forming region with 'Ask an Astronomer'!
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- video
Why Is the Sky Blue? (Ask an Astronomer)
In this 'Ask an Astronomer' episode, Dr. Carolyn Brinkworth fills us in on what the color of the sky has to do with finding life on distant planets.
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What's Between the Stars? (Ask an Astronomer)
In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.
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Spitzer Turns Five (Ask an Astronomer Special)
This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over the last five years.
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What Will Happen to the Earth When the Sun Dies?
Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Astronomer' video.