This is where you can get a growing collection of ebooks written by me for educators, students and the general public.




E-Labs.........[Enter] ...NEW!


Ask the Astronomer (That's me!)

FAQs about astronomy. [Enter]


My Websites:

Space Math @ NASA - Math problems galore!

Space Weather - All about nasty solar storms

Sun-Earth Day 2011 - My essays about our sun

Transit of Venus Diaries - The 2004 Big Event!

Cosmological Research - My Big Co-Discovery

The Mystery of Gravity - All things gravitational

A Career in Astronomy - Episodes from my life

The Big Bang: A to Z - You name it...Its in there!

Astronomy Articles - General astronomy topics

Weird Things in the Attic - Ghost lights etc, etc.


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Sten Odenwald is on LinkedIn too..

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Featured e-Book

A collection of over 150 accounts of solar storms that have terrified people for over 2000 years, caused telegraph, radio and satellite blackouts, and electrical power grid failures. Based on articles from major newspapers. A great reference book for professionals and the general public alike!

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Featured E-Book

The Top-100 most frequently asked questions at Ask the Astronomer from 1995 to 2013! Over 10 million requests for these FAQs

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Days in operation...

Who is this guy? [Dr. Sten Odenwald]

Banner artwork by Rebecca Clark

All content on this site, as well as the name 'The Astronomy Cafe', are intellectual property securred under copyright (1995). No content may be used without permission. E-mail odenwald at for details.