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 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.

May 4-10: Neighbors

One of our nearest stellar neighbors is streaking across the sky like a runaway freight train, and we’ll have details. We’ll also talk about a neighbor that was once a lot closer. Join us for our stellar neighbors and more.

May 11-17: The Strongman

Hercules is in view all night right now. We’ll have details on how the strongman and other constellations were passed down to us, and we’ll talk about two giant star clusters inside Hercules’s borders.

May 18-24: Golden Giant

The giant planet Saturn is at its best this week, and we’ll tell you why. We’ll also talk about another ringed planet that puts Saturn to shame. Join us for Saturn, plus a planet with a lengthening day and much more.

May 25-31: False Alarm

50 years ago, Soviet astronomers announced they’d found radio signals from an advanced civilization. Join us for details on this false alarm, plus details on our nearest stellar neighbors and much more.


©2015 The University of Texas McDonald Observatory