Views of Titan From Earth

19 years ago

When Huygens plunged through Titan's atmosphere last month, the biggest telescopes here on Earth were trained on the moon. Some…

Gamma Rays Come from the Earth Too

19 years ago

Scientists were surprised a few years ago when the Compton Gamma Ray Observatory discovered bursts of gamma rays weren't only…

Matter Nears Light Speed Entering a Black Hole

19 years ago

Just before matter is gobbled up by a hungry black hole, it's hurtling around the monster at nearly the speed…

First Dark Matter Galaxy Discovered

19 years ago

Astronomers believe that a significant amount of our Universe is made up of mysterious dark matter (5 times more, in…

Astrophoto: Jupiter by Paul F. Campbell

19 years ago

Amateur photographer Paul F. Campbell took this picture of Jupiter from just outside his home in Washington, PA. Paul used…

Frozen Sea of Water Discovered on Mars

19 years ago

The European Space Agency's Mars Express spacecraft has uncovered evidence for a massive sea of water ice in warm conditions…

Smallest Galactic Black Hole Found

19 years ago

Astronomers are finding supermassive black holes at the heart of nearly every galaxy they look at, and these monsters range…

Book Review: Deep Sky Observer’s Guide

19 years ago

Twinkle, twinkle little star, how I wonder what you are. Or are you a star? Perhaps you're a gargantuan galaxy,…

What’s Up This Week – Feb 21 – 27, 2005

19 years ago

There's no escaping the overwhelming light of the Moon, but who says we can't enjoy a bright star cluster? The…

Your First Scope! What’s Next?

19 years ago

Experienced observers tend to think its all so very simple. Buying a scope, setting it up, and using it for…