The brightest star of the constellation Taurus. It is a red giant star, and is about 67 light-years away.

Radio Programs

Moon and Aldebaran Years of playing “peek-a-boo” Tuesday, January 19, 2016
Moon and Aldebaran Looking at the future of the Sun Wednesday, December 23, 2015
Moon and Aldebaran Patiently watching the bull’s eye Thursday, October 29, 2015
Hot Planet A world you wouldn’t want to visit Tuesday, October 13, 2015
Moon and Aldebaran A stellar disappearing act Friday, September 4, 2015
Moon and Aldebaran Similar but different lights near the Moon Friday, August 7, 2015
Moon and Aldebaran Igniting the core of a star Saturday, July 11, 2015
Venus and Aldebaran Battle of the sexes in the evening sky Wednesday, April 15, 2015
Moon and Aldebaran The cool glow of a bright star Wednesday, February 25, 2015
Moon and Aldebaran A 20-parsec jaunt across the galaxy Friday, December 5, 2014
Moon and Aldebaran Making carbon and oxygen in a star Friday, November 7, 2014
Moon and Aldebaran Avoiding a celestial collision Saturday, October 11, 2014
Moon and Aldebaran Changing a delicate balancing act Monday, July 21, 2014
Moon and Aldebaran Keeping an eye on the bull’s eye Friday, March 7, 2014
Moon and Aldebaran Taking the measure of the bull’s eye Friday, February 7, 2014
Moon and Aldebaran Looking 67 years back in time Tuesday, August 27, 2013
Moon and Aldebaran The beginning of the end Thursday, July 4, 2013
Venus and Aldebaran Bright and brighter in the dawn sky Friday, July 6, 2012
Venus and Aldebaran The demise of a star and planet Sunday, April 8, 2012
Moon and Aldebaran Looking at the Sun’s bright future Sunday, September 18, 2011
Moon and Aldebaran Following the eye of the bull Monday, July 25, 2011
Moon and Aldebaran Predicting the future of a star Thursday, April 7, 2011

Featured Images

Diagram comparing sizes of Sun, Aldebaran
Giant Eye Monday, July 21, 2014


©2015 The University of Texas McDonald Observatory