
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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Real NASA astronomers answer questions about the exciting science of astronomy.
Listen to Ask an Astronomer, a Religion & Spirituality podcast by NASA / SSC-IPAC. Stream 29 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe.

Visit the W-5 star-forming region with '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...

In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.

This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over the last five years.

Our Sun won't last forever. Dr. Carolyn Brinkworth explains the ramifications for our home planet in this 'Ask an Astronomer' video.

Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video.

Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question.

Dr. Michelle Thaller answers this question for 'Ask an Astronomer.'

Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks.

Dr. Michelle Thaller explains infrared light in this older video, produced by NASA's Spitzer Space Telescope (then known as the Space Infrar...

In this animated 'Ask an Astronomer' special, innocent alien M51 moves the Earth into a closer orbit around the sun, and learns an important...

Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.

Dr. Michelle Thaller explains that the answer isn't as simple as you might think!

Dr. Robert Hurt explains why Pluto got... well... plutoed.

If no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.

'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.

The answer to this 'Ask an Astronomer' question may surprise you!

'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.

This 'Ask an Astronomer' episode explains how orbits work.
You can listen to Ask an Astronomer episodes online on Radio and Podcast. Open an episode and the site player will stream the available audio.
Ask an Astronomer is listed as a Religion & Spirituality show. The show language is listed as English.
This page lists 29 episodes for Ask an Astronomer. More episodes are available from the View more button when the list continues.
You can listen to Ask an Astronomer episodes on this page by opening an episode and using the site player.
Ask an Astronomer is listed as a Religion & Spirituality show by NASA / SSC-IPAC.
This page lists 29 episodes for Ask an Astronomer where feed data is available.