![]() ![]() SpitzerAudio-053 07.22.10 Unsettled Youth: A Chaotic Planetary SystemDuring the infancy of our solar system, when our planets had not yet settled down into their orbits, this was a dange... listen now |
![]() ![]() SpitzerAudio-052 06.01.10 Swirling Clumps of Planetary MaterialSomething appears to be pushing around a large clump of material that is in orbit of this star, and it's moving fast ... listen now |
![]() ![]() SpitzerAudio-051 02.05.10 Trigger Happy Star FormationFrom recent discoveries made by two of NASA's Great Observatories comes new insight into how stars are created. Large... listen now |
![]() ![]() SpitzerAudio-050 09.04.09 Baby Stars Found Jumbled In Galactic CenterAt the center of our Milky Way galaxy is an area previously unseen by astronomers. Shrouded by clouds of swirling dus... listen now |
![]() ask2009-001 08.26.09 Where Is the Center of the Universe?Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe. watch now |
![]() ![]() SpitzerAudio-049 04.07.09 Cool Stars Have Different Mix of Life-Forming ChemicalsIt's life, Jim, but not as we know it! Well, at least the building blocks of life. A new study from NASA's Spitzer S... listen now |
![]() ask_what01 02.05.09 W-5 Star-Forming RegionVisit the W-5 star-forming region with 'Ask an Astronomer'! watch now |
![]() ![]() SpitzerAudio-048 01.28.09 Exoplanet with Wild Temperature SwingsTalk about hot flashes! A planet that heats up to extreme temperatures in a matter of hours before quickly cooling ba... listen now |
![]() ask2008-007 12.22.08 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 f... watch now |
![]() ![]() SpitzerAudio-047 12.12.08 Dim DwarfsThe new record-holder for dimmest known star-like object in the universe goes to twin brown dwarfs, each of which shi... listen now |
![]() ![]() SpitzerAudio-046 11.13.08 Twin Asteroid BeltsThe star Epsilon Eridani is even stranger than fiction. NASA's Spitzer Space Telescope has shown it has two asteroid ... listen now |
![]() ask2008-006 10.23.08 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. watch now |
![]() ![]() SpitzerAudio-045 09.18.08 Water Hit with Young Star's Best ShotWater is being blasted to pieces by a young star's laser-like jets, according to new observations from NASA's Spitzer... listen now |
![]() ask_5th 08.25.08 Spitzer's Fifth AnniversaryThis 'Ask an Astronomer' special looks at some of the biggest discoveries from NASA's Spitzer Space Telescope over th... watch now |
![]() ![]() SpitzerAudio-044 08.25.08 Spitzer's Fifth AnniversaryNASA's Spitzer Space Telescope continues to surprise astronomers. On its fifth anniversary, we recap some of this Gre... listen now |
![]() ![]() SpitzerAudio-043 07.15.08 Brightest Star in the Galaxy has New CompetitionA contender for the title of brightest star in our Milky Way galaxy has been unearthed in the dusty metropolis of the... listen now |
![]() ask2008-005 07.01.08 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 Ast... watch now |
![]() ![]() SpitzerAudio-042 06.13.08 Missing Spiral ArmsAs a result of a new Spitzer Space Telescope study, two of our own Milky Way Galaxy's spiral arms have gone away. listen now |
![]() ![]() SpitzerAudio-041 05.23.08 Holes on MarsSpitzer isn't the only infrared mission. Infrared images from another of NASA's robotic missions help us understand m... listen now |
![]() ask2008-004 05.08.08 Can a Planet Have Two Suns?Dr. Carolyn Brinkworth addresses a famous science fiction scenario in this 'Ask an Astronomer' video. watch now |