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

Radio Programs

Arcturus Extra pounds cut billions of years June 12, 2016

Arcturus Measuring the girth of a big star March 6, 2015

Bright and Fast A bright star that’s in a hurry April 14, 2014

Colorful Arcturus Adding some color to a bright star June 22, 2013

Arcturus Tracing a star’s origins August 27, 2012

Bear Watcher Keeping an eye on the big bear August 26, 2012