Radio’s Guide to the Universe

StarDate announcer Sandy WoodStarDate announcer Sandy WoodStarDate debuted in 1978, making it the longest-running national radio science feature in the country. It airs on more than 300 radio stations.

StarDate tells listeners what to look for in the night sky, and explains the science, history, and skylore behind these objects. It also keeps listeners up to date on the latest research findings and space missions. And it offers tidbits on astronomy in the arts and popular culture, providing ways for people with diverse interests to keep up with the universe.

StarDate is a production of The University of Texas McDonald Observatory, which also produces the Spanish-language Universo Online web site and the bi-monthly StarDate magazine.

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Today on StarDate

April 1-5: Eclipse Legacy

There’s a total lunar eclipse this week. It’s the latest in a cycle of eclipses that began in 1492, and will continue for another seven centuries. Join us for eclipses across the centuries and more.

April 6-12: Stardust

The space between the stars isn’t quite empty — it’s filled with wisps of gas and dust known as the interstellar medium. Join us for the stuff between the stars, plus the changing rings of Saturn and much more.

April 13-19: Space Rocks

Lots of rocks from space strike Earth’s atmosphere every day. Most of them burn up, but a few survive their fiery plunge and hit the surface. Join us for details on these rocks from beyond, plus much more.

April 20-26: Silver Anniversary

One of NASA’s best-known spacecraft celebrates its 25th anniversary this week, and we’ll have details on its launch, its early problems, and its accomplishments. Join us for 25 years of Hubble Space Telescope and more.

April 27-30: Sunny Skies

With spring hitting its stride and the hot days of summer looming, we’ll talk about the source of all that warmth: the Sun. We’ll explain how the Sun generates energy, how it’s destined to get a lot brighter, and much more.

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