Astronomy & Astrophysics

For people who are interested in the universe, how it works and the books that explore it.

TopicTopicMessagesLast Message 
NASA Finds First Planet in Another Galaxy2 unread / 2lorax, October 2021
Scale5 unread / 5proximity1, August 2020
Cosmological principle1 unread / 1richardbsmith, February 2016
New Asteroid discovery app from NASA1 unread / 1DugsBooks, March 2015
Exoplanet with rings much larger than Saturn's discovered3 unread / 3al.vick, January 2015
Amateur Astronomy!4 unread / 4Betelgeuse, August 2014
The endless search2 unread / 2misericordia, August 2014
Dick Callum’s astronomy book in Arthur Ransome's 'Winter holiday'2 unread / 2pgmcc, January 2013
Rocket performance parameters: inclination3 unread / 3Noisy, January 2012
Voyager 1 hits in heliopause5 unread / 5pgmcc, December 2011
Faster than light?2 unread / 2pgmcc, September 2011
Help envisioning celestial great circle apparent movement?1 unread / 1drbubbles, March 2011
Solar Filter Help1 unread / 1Barton, October 2010
Persiods2 unread / 2mart1n, August 2010
James Webb3 unread / 3richardbsmith, June 2010
Jupiter's got our back4 unread / 4richardbsmith, June 2010
Space success13 unread / 13Noisy, May 2010
Celestron sl1301 unread / 1Barton, May 2010
Skyscout1 unread / 1Barton, May 2010
Radio-brightness of Earth compared to sun?1 unread / 1drbubbles, May 2010
NOVA series4 unread / 4rybo, April 2010
Chandra, Gravity, and Relativity1 unread / 1richardbsmith, April 2010
Moon water please. Which flavor?1 unread / 1richardbsmith, March 2010
Wet Mars Dry Mars1 unread / 1richardbsmith, March 2010
Big new on the new galaxy front.9 unread / 9richardbsmith, February 2010
The variable Sun1 unread / 1richardbsmith, February 2010
Mars rover5 unread / 5richardbsmith, February 2010
NASA planning3 unread / 3richardbsmith, February 2010
Celestial coordinates13 unread / 13richardbsmith, January 2010
Kepler the focus at the American Astronomical Society conference7 unread / 7richardbsmith, January 2010
Big news on the new planet front4 unread / 4richardbsmith, January 2010
Lunar coordinates2 unread / 2Noisy, January 2010
Water on the moon8 unread / 8richardbsmith, November 2009
Coronal temperature3 unread / 3richardbsmith, August 2009
Astronomy & Astrophysics Message Board8 unread / 8IronMike, February 2009
Welcome to the 'International Year of Astronomy'!3 unread / 3hailelib, January 2009
The Year of the Quiet Sun2 unread / 2hailelib, October 2008
Beginner Astronomy3 unread / 3misericordia, July 2008
Spring is nearly here!1 unread / 1MyopicBookworm, December 2007
Norton Star Atlas5 unread / 5Zennor, June 2007
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