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Ask an Astronomer
By NASA's Spitzer Science Center / IPAC / NASA / Caltech
Real NASA astronomers answer questions about the exciting science of astronomy.... more
FAQs about Ask an Astronomer:
How many episodes does Ask an Astronomer have?
The podcast currently has 55 episodes available.
Ask an Astronomer episodes:
May 24, 2006"What is a redshift?" (Ask an Astronomer) 
May 24, 2006What Is a Redshift? December 09, 2005"Do the stars really move?" (Ask an Astronomer) December 09, 2005Do the Stars Really Move? October 25, 2005"Why do we see spiral arms in some galaxies?" (Ask an Astronomer) October 25, 2005Why Do We See Spiral Arms in Some Galaxies? October 14, 2005"Why are solar eclipses only visible in some places?" (AaA) This 'Ask an Astronomer' episode explains eclipses of the sun and why they can't be seen everywhere....moreOctober 14, 2005"Why does the moon look like it changes?" (Ask an Astron.) October 14, 2005"What causes an eclipse of the moon?" (Ask an Astronomer) October 14, 2005How Do Stars Live and Die?
FAQs about Ask an Astronomer:
How many episodes does Ask an Astronomer have?
The podcast currently has 55 episodes available.