Astronomy Cafe

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The Moon:

Phases

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Eclipses

Miscellaneous

 

Solar System:

The Sun

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Earth

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Saturn

Uranus,Neptune,Pluto

Planet X

Meteors,Comets.Asteroids

Extra-Solar Planets

General Questions

 

Ask the Astronomer

This is an archive of thousands of questions visitors have sent me (Dr. Sten Odenwald) since August 1995.

If you use this resource, please consider making a donation to the Astronomy Cafe to keep our doors open for future visitors.

The Top-100 most frequently asked questions at Ask the Astronomer from 1995 to 2015! Over 10 million requests for these FAQs. What is Dark Matter? Will Betelgeuse become a supernova? Can a planet ever explode? And many others!!! ($9.26; 10 tables; 156 pages)

[Purchase here at Amazon.com]

The Cosmos

Stars - General

Stars - Specific

Black Holes, etc

Galaxies

The Universe

Big Bang Cosmology

Everything Else!

Space Travel

Satellites

Science Fair Projects

Astronomy Career

Astrophysics

Gravity Research

Relativity

Telescopes

Odds 'n Ends