Arcturus

The brightest star of the constellation Boötes. It is an orange-star about 37 light-years from Earth.

Radio Programs

 Road to Arcturus Shining a light on the past Friday, April 30, 2010
Carbon Making a basic ingredient of life Wednesday, August 12, 2009
Arcturus Life around a giant star Saturday, May 23, 2009
Proper Motion Stars speed across the sky Saturday, July 26, 2008
A Century of Progress A technological triumph Tuesday, May 27, 2008
Arcturus Lighting up a world’s fair Monday, May 26, 2008

FacebookTwitterYouTube

©1995-2012 The University of Texas McDonald Observatory