Episodes
Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe.
Published 08/26/09
Published 08/26/09
Visit the W-5 star-forming region with 'Ask an Astronomer'!
Published 02/05/09
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.
Published 12/22/08
In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.
Published 10/23/08
This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over the last five years.
Published 08/25/08
Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Astronomer' video.
Published 07/01/08
Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video.
Published 05/08/08
Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question.
Published 04/10/08
Dr. Michelle Thaller answers this question for 'Ask an Astronomer.'
Published 03/13/08
Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks.
Published 02/13/08
Dr. Michelle Thaller explains infrared light in this older video, produced by NASA's Spitzer Space Telescope (then known as the Space Infrared Telescope Facility) before it launched.
Published 12/18/07
In this animated 'Ask an Astronomer' special, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important lesson about life in the Universe.
Published 11/05/07
Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
Published 09/14/07
Dr. Michelle Thaller explains that the answer isn't as simple as you might think!
Published 07/27/07
Dr. Robert Hurt explains why Pluto got... well... plutoed.
Published 02/12/07
If no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.
Published 08/24/06
'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
Published 05/24/06
The answer to this 'Ask an Astronomer' question may surprise you!
Published 12/09/05
'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.
Published 10/25/05
'Ask an Astronomer' explains how we detect planets around other stars.
Published 10/14/05
Phases of the Moon are clearly explained in this 'Ask an Astronomer' episode.
Published 10/14/05
This 'Ask an Astronomer' episode explains how orbits work.
Published 10/14/05
'Ask an Astronomer' explains one of the strangest objects in outer space.
Published 10/14/05
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