Latest Ask an astronomer Podcast Episodes
Infrared: More Than Your Eyes Can See
Ask an Astronomer - December 18, 2007 00:00 - VideoDr. 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.
M51 and Gizmo in "Half-Baked Plan"
Ask an Astronomer - November 05, 2007 00:00 - Video ★★★★ - 24 ratingsIn 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.
M51 and Gizmo in "Half-Baked Plan"
Ask an Astronomer - November 05, 2007 00:00 - VideoIn 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.
M51 and Gizmo
Ask an Astronomer - November 05, 2007 00:00 - Video ★★★★ - 24 ratingsIn 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.
"What happens when galaxies collide?" (Ask an Astronomer)
Ask an Astronomer - September 14, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
What Happens When Galaxies Collide?
Ask an Astronomer - September 14, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
"What happens when galaxies collide?" (Ask an Astronomer)
Ask an Astronomer - September 14, 2007 00:00 - VideoDr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
"What is the nearest galaxy to the Milky Way?" (Ask Astron.)
Ask an Astronomer - July 27, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Michelle Thaller explains that the answer isn't as simple as you might think!
What Is the Nearest Galaxy to the Milky Way?
Ask an Astronomer - July 27, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Michelle Thaller explains that the answer isn't as simple as you might think!
"What is the nearest galaxy to the Milky Way?" (Ask Astron.)
Ask an Astronomer - July 27, 2007 00:00 - VideoDr. Michelle Thaller explains that the answer isn't as simple as you might think!
Why Isn't Pluto a Planet Anymore?
Ask an Astronomer - February 12, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Robert Hurt explains why Pluto got... well... plutoed.
"Why isn't Pluto a planet anymore?" (Ask an Astronomer)
Ask an Astronomer - February 12, 2007 00:00 - VideoDr. Robert Hurt explains why Pluto got... well... plutoed.
"Why isn't Pluto a planet anymore?" (Ask an Astronomer)
Ask an Astronomer - February 12, 2007 00:00 - Video ★★★★ - 24 ratingsDr. Robert Hurt explains why Pluto got... well... plutoed.
How Can We See a Black Hole?
Ask an Astronomer - August 24, 2006 00:00 - Video ★★★★ - 24 ratingsIf no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.
"How can we see a black hole?" (Ask an Astronomer)
Ask an Astronomer - August 24, 2006 00:00 - Video ★★★★ - 24 ratingsIf no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.
"How can we see a black hole?" (Ask an Astronomer)
Ask an Astronomer - August 24, 2006 00:00 - VideoIf no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.
"What is a redshift?" (Ask an Astronomer)
Ask an Astronomer - May 24, 2006 00:00 - Video'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
"What is a redshift?" (Ask an Astronomer)
Ask an Astronomer - May 24, 2006 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
What Is a Redshift?
Ask an Astronomer - May 24, 2006 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' uses an astronomer, a flying saucer, and a cow to help explain this difficult astronomical concept in simple terms.
Do the Stars Really Move?
Ask an Astronomer - December 09, 2005 00:00 - Video ★★★★ - 24 ratingsThe answer to this 'Ask an Astronomer' question may surprise you!
"Do the stars really move?" (Ask an Astronomer)
Ask an Astronomer - December 09, 2005 00:00 - VideoThe answer to this 'Ask an Astronomer' question may surprise you!
"Do the stars really move?" (Ask an Astronomer)
Ask an Astronomer - December 09, 2005 00:00 - Video ★★★★ - 24 ratingsThe answer to this 'Ask an Astronomer' question may surprise you!
Why Do We See Spiral Arms in Some Galaxies?
Ask an Astronomer - October 25, 2005 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.
"Why do we see spiral arms in some galaxies?" (Ask an Astronomer)
Ask an Astronomer - October 25, 2005 00:00 - Video'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.
"Why do we see spiral arms in some galaxies?" (Ask an Astronomer)
Ask an Astronomer - October 25, 2005 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' explains the morphology of one of the most common types of galaxy.
What Causes an Eclipse of the Moon?
Ask an Astronomer - October 14, 2005 00:00 - Video ★★★★ - 24 ratingsThis 'Ask an Astronomer' episode explains lunar eclipses.
"What causes an eclipse of the moon?" (Ask an Astronomer)
Ask an Astronomer - October 14, 2005 00:00 - VideoThis 'Ask an Astronomer' episode explains lunar eclipses.
What Is a Brown Dwarf?
Ask an Astronomer - October 14, 2005 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' explains one of the strangest objects in outer space.
"What is a brown dwarf?" (Ask an Astronomer)
Ask an Astronomer - October 14, 2005 00:00 - Video ★★★★ - 24 ratings'Ask an Astronomer' explains one of the strangest objects in outer space.
"What is a brown dwarf?" (Ask an Astronomer)
Ask an Astronomer - October 14, 2005 00:00 - Video'Ask an Astronomer' explains one of the strangest objects in outer space.
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