Featured Images

StarDate Radio: July 23 — Moon and Venus

There’s nothing like a trip to the mountains to escape the summer heat — whether you’re here on Earth or on Venus, our nearest planetary neighbor. More »

StarDate Radio: July 22 — Outcast Star

The star that anchors the Big Dipper’s handle is a bit of an outcast. More »

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Stargazing: July 22

The Big Dipper is in the northwest this evening, with the handle above the bowl. The five stars in the middle of the dipper are all related, but the stars at the tip of the handle and lip of the bowl move through the galaxy independently of the others. More »

StarDate Radio: July 21 — Moon and Aldebaran

A star is the product of a delicate balancing act between gravity and radiation. More »

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Stargazing: July 21

Aldebaran, the eye of Taurus, stands just below the Moon at dawn tomorrow. The star is nearing the end of its life, so it has puffed up to many times the size of the Sun, causing its outer layers to cool and giving the bull a bright orange eye. More »

StarDate Radio: July 20 — Spearhead

The Pleiades star cluster is climbing higher into the pre-dawn sky each day. More »

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Stargazing: July 20

The Pleiades star cluster is climbing higher into the pre-dawn sky each day. Tomorrow, it’s well up in the east at first light, not far to the left or upper left of a thick crescent Moon. More »

StarDate Radio: July 19 — Different Explosions

Aquila, the eagle, soars across the southern sky on summer nights. More »

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Stargazing: July 19

Aquila, the eagle, soars across the southern sky on summer nights. It is in the east as night falls and high in the south after midnight. It’s marked by Altair, one of the brightest stars in the sky. More »

Special Features

The History of the Telescope Hobby-Eberly Dark Energy Experiment
Black Holes Encyclopedia Texas Native Skies

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