Binary and Multi-Star Systems

A binary is a pair of stars that orbit each other. A multi-star system consists of three or more stars. The stars in a binary or a multi-star system all formed from a single cloud of gas and dust, so they are true "siblings."

Radio Programs

Moon and Spica Stirring up two stellar companions Sunday, April 17, 2011
Moon and Regulus Catching a stellar carnival ride Wednesday, April 13, 2011
Epsilon Aurigae A long-lasting stellar eclipse Monday, March 28, 2011
Dubhe Skies as different from ours as night and day Wednesday, February 23, 2011
Moon and Spica Looking at a star in a whole new light Tuesday, December 28, 2010
Moon and Leo The Moon and a crowded star system Friday, December 24, 2010
Moon and Regulus A mismatched stellar family Saturday, November 27, 2010
Capella Two giants that never rest Wednesday, November 10, 2010
Algol The head of the demon Saturday, October 30, 2010
Chasing Dogs Chasing a pair of dogs Saturday, September 25, 2010
Nova Cygni 1975 A temporary tail feather for the swan Sunday, August 29, 2010
Zubenelgenubi A spread-out family of stars Sunday, August 15, 2010
Mizar and Alcor Galloping across the northern sky Saturday, June 19, 2010
Mars and Regulus III Getting the right angle on a bright star Tuesday, June 8, 2010
Izar The most beautiful girdle? Thursday, May 27, 2010
Merging Stars One plus one equals one Monday, April 19, 2010
Closest Black Hole? A record-setting stellar neighbor Tuesday, March 23, 2010
Algieba
Companionable Stars
Youthful Oldies
Menkalinan
Capella
Delta Trianguli
Mothallah
Triangulum

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