What do you want to see tonight? Find the planets, meteor showers, moon phases, globular clusters, galaxies and more.
Learn about the latest discoveries in astronomical research, read breaking space news, or revisit the basics of solar system science. Get information on any of the planets or constellations. Discover the best stargazing targets for binoculars. Or sit back, relax, and read some entertaining blogs.
Feel free to e-mail me any subjects you would like to see covered or post in the discussion forum.
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In: Stargazing
Catch the planets in the evening sky, starting with Mercury, then Mars and Saturn. A meteor shower coincides with the new moon. more...
What happens when galaxies collide? The result is often galactic-sized fireworks and strange and beautiful new shapes. more...
In: Stargazing
Antlia the Air Pump and Pyxis the Compass are Southern Hemisphere constellations that are home to dim, deep-sky objects. more...
In: Stargazing
Columba and Caelum are two small Southern Hemisphere constellations with few deep-sky observing targets. more...
How to See the Northern Lights
In: Stargazing
You can catch an aurora from your home if you know when to look or increase your odds by going on an aurora tour. more...
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Ptolemaic Geocentric Astronomy
By:
Paul A. Heckert
Ptolemy, Astronomy, & Almagest
By:
Paul A. Heckert
Comet Enke – A Threat To Earth?
By: Tabitha Davies
Where to see 2008's Solar Eclipse
In: Astronomy & Space (general)
By: Liz Kirchner
NASA Hosts Yuri's Night, April 12
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