Ask an Astronomer
By NASA's Spitzer Science Center / IPAC / NASA / Caltech
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Category: Natural Sciences
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Episodes: 29
Description
Real NASA astronomers answer questions about the exciting science of astronomy.
| Episode | Date |
|---|---|
|
Where Is the Center of the Universe? (Ask an Astronomer)
|
Aug 26, 2009 |
|
W-5 Star-Forming Region (What Is It?)
|
Feb 05, 2009 |
|
Why Is the Sky Blue? (Ask an Astronomer)
|
Dec 22, 2008 |
|
What's Between the Stars? (Ask an Astronomer)
|
Oct 23, 2008 |
|
Spitzer Turns Five (Ask an Astronomer Special)
|
Aug 25, 2008 |
|
What Will Happen to the Earth When the Sun Dies?
|
Jul 01, 2008 |
|
"Can a planet have two suns?" (Ask an Astronomer)
|
May 08, 2008 |
|
"Can a galaxy die?" (Ask an Astronomer)
|
Apr 10, 2008 |
|
"Why aren't there any green stars?" (Ask an Astronomer)
|
Mar 13, 2008 |
|
"How do you discover an asteroid?" (Ask an Astronomer)
|
Feb 13, 2008 |
|
Infrared: More Than Your Eyes Can See
|
Dec 18, 2007 |
|
M51 and Gizmo in "Half-Baked Plan"
|
Nov 05, 2007 |
|
"What happens when galaxies collide?" (Ask an Astronomer)
|
Sep 14, 2007 |
|
"What is the nearest galaxy to the Milky Way?" (Ask Astron.)
|
Jul 27, 2007 |
|
"Why isn't Pluto a planet anymore?" (Ask an Astronomer)
|
Feb 12, 2007 |
|
"How can we see a black hole?" (Ask an Astronomer)
|
Aug 24, 2006 |
|
"What is a redshift?" (Ask an Astronomer)
|
May 24, 2006 |
|
"Do the stars really move?" (Ask an Astronomer)
|
Dec 09, 2005 |
|
"Why do we see spiral arms in some galaxies?" (Ask an Astronomer)
|
Oct 25, 2005 |
|
"Why doesn't the moon fall down?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"Do other solar systems exist?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"Are other solar systems like our own?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"Can you feel a solar wind?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"Why is Spitzer painted black?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"What is a brown dwarf?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
How Do Stars Live and Die?
|
Oct 14, 2005 |
|
"What causes an eclipse of the moon?" (Ask an Astronomer)
|
Oct 14, 2005 |
|
"Why does the moon look like it changes?" (Ask an Astron.)
|
Oct 14, 2005 |
|
"Why are solar eclipses only visible in some places?" (AaA)
|
Oct 14, 2005 |