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Ask an Astronomer

NASA's Spitzer Science Center and Infrared Processing and Analysis Center

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Real NASA astronomers answer questions about the exciting science of astronomy.
Real NASA astronomers answer questions about the exciting science of astronomy.
Episodes (29)
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Where Is the Center of th...

26 Aug 2009 | 0 mins 0 secs

Where Is the Center ...

26 Aug 2009 | 0 mins 0 secs

W-5 Star-Forming Region

05 Feb 2009 | 0 mins 0 secs

W-5 Star-Forming Reg...

05 Feb 2009 | 0 mins 0 secs

Why Is the Sky Blue?

22 Dec 2008 | 0 mins 0 secs

Why Is the Sky Blue?

22 Dec 2008 | 0 mins 0 secs

What's Between the Stars?

23 Oct 2008 | 0 mins 0 secs

What's Between the S...

23 Oct 2008 | 0 mins 0 secs

Spitzer's Fifth Anniversa...

25 Aug 2008 | 0 mins 0 secs

Spitzer's Fifth Anni...

25 Aug 2008 | 0 mins 0 secs

What Will Happen to the E...

01 Jul 2008 | 0 mins 0 secs

What Will Happen to ...

01 Jul 2008 | 0 mins 0 secs

Can a Planet Have Two Sun...

08 May 2008 | 0 mins 0 secs

Can a Planet Have Tw...

08 May 2008 | 0 mins 0 secs

Can a Galaxy Die?

10 Apr 2008 | 0 mins 0 secs

Can a Galaxy Die?

10 Apr 2008 | 0 mins 0 secs

Why Aren't There Any Gree...

13 Mar 2008 | 0 mins 0 secs

Why Aren't There Any...

13 Mar 2008 | 0 mins 0 secs

How Do You Discover an As...

13 Feb 2008 | 0 mins 0 secs

How Do You Discover ...

13 Feb 2008 | 0 mins 0 secs

Infrared: More Than Your ...

18 Dec 2007 | 0 mins 0 secs

Infrared: More Than ...

18 Dec 2007 | 0 mins 0 secs

M51 and Gizmo

05 Nov 2007 | 0 mins 0 secs

M51 and Gizmo

05 Nov 2007 | 0 mins 0 secs

What Happens When Galaxie...

14 Sep 2007 | 0 mins 0 secs

What Happens When Ga...

14 Sep 2007 | 0 mins 0 secs

What Is the Nearest Galax...

27 Jul 2007 | 0 mins 0 secs

What Is the Nearest ...

27 Jul 2007 | 0 mins 0 secs

Why Isn't Pluto a Planet ...

12 Feb 2007 | 0 mins 0 secs

Why Isn't Pluto a Pl...

12 Feb 2007 | 0 mins 0 secs