Ask the Astronomer
since 1995 by NASA Astronomer
is an archive of thousands of questions that visitors have
sent me since August 1995. I have also collected 365 of the
all-time most popular FAQs in my two books 'Astronomy Cafe'
and 'Back to the Astronomy Cafe'.
Click here to visit!
If you have questions related to astronomy, space science
or space exploration, and you do not find them here, please
visit the Astronomy Cafe Facebook page and ask the question
you 'friend' The Astronomy Cafe, I will answer your question
as quickly as I can! I am working on a new e-book of FAQs
so if you ask a good question, I will include it in my new
book and credit you!