Astronomy magazine’s Sky Guide 2011
Bright planets, streaking meteors, and total eclipses of the Moon highlight an exceptional observing year.
How stars form
Stars begin as clouds of cold gas that transform into blazing hot fireballs. Here’s what scientists know about the process – and what they’re missing.
Now that you’ve read how stars form, check out what’s going on inside them.
What’s the Sun made of?
By analyzing the Sun’s light, astronomers are learning about not only our star’s makeup, but also the early solar system.
Now that you’ve read about our star’s composition, watch its roiling surface in action from the comfort of your own computer.
How five doomed missions triumphed in the end
In December 1993, astronauts aboard the space shuttle Endeavour successfully repaired the Hubble Space Telescope, turning the observatory into the science machine it remains today.
See the nearest stars
The stars next door are fun to hunt, easy to spot, and can teach you about astrophysics.
Here’s the complete list for your observing pleasure.
The new CDK17 telescope offers thermal stability, ease of use, and killer images.
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The Cosmic Grid