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Tectonics happening on Enceladus!
Astronomer Paul Helfenstein talks about some exciting tectonics - geological movements - on the planet Saturn's icy moon Enceladus.
January 29, 2009
Space moth: New solar system interacts with interstellar gases
Astronomer Dean Hines talk about an enormous, moth-shaped bunch of interstellar gas and dust showing signs of planet formation, it's dubbed "Space moth".
January 28, 2009
Saturn’s moon may have ice volcanoes
Hear astronomer Jonathan Lunine talk about possible ice volcanoes on Titan - Saturn's moon - the largest and very mysterious moon.
January 27, 2009
Orsola de Marco studies the rainbow spectra of stars
Orsola De Marco, an astrophysicist, studies the light of stars split into a rainbow of colors - what astronomers commonly refer to as a 'spectrum.'
January 11, 2009
Earth-like planets: The hunt is on
NASA astronomer Drake Deming talks about using brightness detectors similar to those on digital cameras to help in the hunt for Earth-like planets around other stars.
November 7, 2008
Sports in space
We’re in the midst of a financial hornets’ nest, Afghanistan is still in turmoil, and the planet continues to warm....
November 3, 2008
New Milky Way arm gives symmetry
Thomas Dame said that new Milky Way arm recently discovered gives our galaxy "a beautiful bi-symmetric symmetry, like a seesaw, like a butterfly's wings."
October 30, 2008
Why are some galaxies shaped liked spirals?
Astronomers believe that galaxies have spiral arms - in part - because galaxies rotate, or spin around, a central axis.
September 11, 2008
What happens when distant worlds collide
There are still mysteries in astronomy, says Eric Mamajek. He talks about a surprisingly hot object 170 million light years from Earth that could be the result of a collision between two distant planets.
September 10, 2008
How many stars are in the Milky Way?
How many stars in the Milky Way? The estimate for the number of stars in the Milky Way is about 100 billion stars - plus or minus 50 billion.
September 9, 2008
