Science
NASA spacecraft that were launched decades ago are finally exiting our solar system. What will we discover as they cross the fuzzy bounda
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Air Date: March 16, 2009
ListenA near brush with cosmic disaster
We recently had a near brush with disaster as an asteroid passed 40,000 miles from earth. Well, it wasn’t really that close to disa
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Air Date: March 9, 2009
ListenWhat constitutes celestial death?
Live fast, die young, and leave a good looking corpse. No we’re not talking about rock stars, but stars in the night sky. Some star
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Air Date: March 2, 2009
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Conditions in space are so very different than that of earth. When you think of hot, you think red, right? Not so in space. A hot star is
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Air Date: February 23, 2009
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Another piece of the cosmic puzzle is discovered. A new planet less than twice the size of earth orbiting a sun like star. A rocky planet
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Air Date: February 9, 2009
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When you look at the night sky, do you know how many stars or other points of light can be seen by the naked eye? How did ancient observe
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Air Date: February 2, 2009
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“Back-to-basics” month continues on SkyTalk as Derrick Pitts and WHYY’s Dave Heller examine how we see the uni
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Air Date: January 26, 2009
ListenBack to basics: the moon, the sun and the stars
Can you identify the 12 constellations of the zodiac? How about the names of all the planets in our galaxy? No, well that’s okay, W
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Air Date: January 19, 2009
WHYY-FM’s Dave Heller and astronomer Derrick Pitts celebrate Skytalk’s 18th season on the air by doing what they do best̷
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Air Date: January 12, 2009
World clock jumps ahead by a second
Can’t wait another second? Neither can WHYY-FM’s Dave Heller and astronomer Derrick Pitts. A Leap Second was added at 7 p.m.
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Air Date: January 5, 2009