Ask an Astronomer

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Real NASA astronomers answer questions about the exciting science of astronomy.

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Website
http://www.spitzer.caltech.edu/resource_list/10-Ask-an-Astronomer
Description
Real NASA astronomers answer questions about the exciting science of astronomy.
Language
🇬🇧 English
last modified
2019-06-01 12:47
last episode published
2009-08-26 00:00
publication frequency
50.43 days
Contributors
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author  
NASA / SSC-IPAC owner  
Explicit
false
Number of Episodes
29
Rss-Feeds
Detail page
Categories
Science & Medicine Natural Sciences Medicine

Recommendations


Episodes

Date Thumb Title & Description Contributors
26.08.2009

Where Is the Center of the Universe?

Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
5.02.2009

W-5 Star-Forming Region

Visit the W-5 star-forming region with 'Ask an Astronomer'!
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
22.12.2008

Why Is the Sky Blue?

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.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
23.10.2008

What's Between the Stars?

In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
25.08.2008

Spitzer's Fifth Anniversary

This 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over the last five years.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
1.07.2008

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.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
8.05.2008

Can a Planet Have Two Suns?

Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
10.04.2008

Can a Galaxy Die?

Dr. Varoujan Gorjian gives us the answer to this 'Ask an Astronomer' question.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
13.03.2008

Why Aren't There Any Green Stars?

Dr. Michelle Thaller answers this question for 'Ask an Astronomer.'
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
13.02.2008

How Do You Discover an Asteroid?

Dr. Bidushi Bhattacharya helps us understand how astronomers find these tiny space rocks.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
18.12.2007

Infrared: More Than Your Eyes Can See

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.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
5.11.2007

M51 and Gizmo

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.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.09.2007

What Happens When Galaxies Collide?

Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
27.07.2007

What Is the Nearest Galaxy to the Milky Way?

Dr. Michelle Thaller explains that the answer isn't as simple as you might think!
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
12.02.2007

Why Isn't Pluto a Planet Anymore?

Dr. Robert Hurt explains why Pluto got... well... plutoed.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
24.08.2006

How Can We See a Black Hole?

If no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
24.05.2006

What Is a Redshift?

'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
9.12.2005

Do the Stars Really Move?

The answer to this 'Ask an Astronomer' question may surprise you!
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
25.10.2005

Why Do We See Spiral Arms in Some Galaxies?

'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

What Is a Brown Dwarf?

'Ask an Astronomer' explains one of the strangest objects in outer space.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

How Do Stars Live and Die?

'Ask an Astronomer' tackles stellar evolution.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Why Is Spitzer Painted Black?

The Spitzer Space Telescope has a funny paint job. This 'Ask an Astronomer' segment explains why.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Do Other Solar Systems Exist?

'Ask an Astronomer' explains how we detect planets around other stars.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Are Other Solar Systems Like Our Own?

Solar systems come in a large variety of flavors, as this 'Ask an Astronomer' video shows.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Why Are Solar Eclipses Only Visible in Some Parts of the World?

This 'Ask an Astronomer' episode explains eclipses of the sun and why they can't be seen everywhere.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

What Causes an Eclipse of the Moon?

This 'Ask an Astronomer' episode explains lunar eclipses.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Why Does the Moon Look Like It Changes?

Phases of the Moon are clearly explained in this 'Ask an Astronomer' episode.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Can You Feel a Solar Wind?

This 'Ask an Astronomer' segment attempts to explain what a solar wind is (and is not).
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author
14.10.2005

Why Doesn't the Moon Fall Down?

This 'Ask an Astronomer' episode explains how orbits work.
NASA's Spitzer Science Center and Infrared Processing and Analysis Center author