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Radio’s Guide to the Universe

StarDate 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.

Today on StarDate

July 16-22: Exploding stars

Some stars end their lives with big bangs — brilliant explosions known as supernovae. We’ll talk about what kinds of stars explode, what they leave behind, and what they mean for the galaxy.

July 23-29: Mars

The Red Planet is at its brilliant best this week, shining like an orange cosmic jewel. We’ll talk about its great appearance, an encounter with the Moon, and grand plans for future exploration.

July 30-August 5: A pioneer

Maria Mitchell was the first American woman to become a professional astronomer, and we’ll have details. We’ll also talk about a future exploding star, an element created by an explosion, and more.