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

February 1-7: Moon meanderings

The Moon passes by the “morning star” and some other impressive lights in the morning sky this week, and we’ll have details. We’ll also tell you about the first spacecraft to safely land on the Moon. Join us for this and more.

February 8-14: Going Small

A technique known as interferometry allows astronomers to see smaller details than ever before in star systems, galaxies, and other objects. But it’s not easy to do. Join us for details on this and much more.

February 15-21: The Arrow of Time

In our universe, time appears to flow in only one direction — from past to future. But scientists aren’t sure just why that’s the case. Join us for time’s arrow, plus a stellar twin, the heart of the lion, and much more.

February 22-28: Power for Space

Physicists discovered plutonium 75 years ago this week, and we’ll have details. We’ll also tell you how the element is powering the exploration of the solar system — and how supplies are growing scarce. Join us for this and more.

February 29: Leap Day

This week kicks off with something we haven’t seen in four years: February 29th. We’ll tell you how this extra day came about and how it keeps us aligned with the seasons. Join us for this and much more.


©2015 The University of Texas McDonald Observatory