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StarDate Radio: March 2 — Moon and Jupiter

Most of astronomy is strictly “hands-off.” Astronomers can look at the objects they’re studying, but they can’t touch them. More »

StarDate Radio: March 1 — Seeing the Past

The stars can be like a time machine — they let us see what our own solar system was like when it was young. More »

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Stargazing: March 1

The big dog ambles across the south tonight, led by Sirius, the brightest star in the night sky. Adhara, one of the dog’s hind legs, is below Sirius. It’s actually much brighter than Sirius, but looks fainter because it’s much farther away. More »

StarDate Radio: February 28 — Beta Cassiopeia

A bright star in Cassiopeia is in a short but impressive phase of life: it’s beginning to puff up like a giant balloon. More »

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Stargazing: February 28

A bright star in Cassiopeia is nearing the end of its life, so it is beginning to puff up like a giant balloon. Beta Cassiopeia is in the northwest this evening, at the bottom of a sideways letter W formed by some of the constellation’s brightest stars. More »

StarDate Radio: February 27 — Hints of Life

It’s clear that Mars was much warmer and wetter in the distant past. More »

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Stargazing: February 27

Mars is in view in the early evening sky right now. It is close to the lower right of Venus, the “evening star.” It is quite low in the sky, however, so you may need binoculars to help you pick it out. More »

StarDate Radio: February 26 — Fewer New Stars

One of the busiest stellar nurseries in the galaxy stands about half way up the southern sky at nightfall right now. More »

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StarDate Radio: February 25 — Moon and Aldebaran

It’s a bit hard to believe when you look at it, but we’re not seeing the star Aldebaran at its best. More »

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