You are here


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

Radio Programs

Arcturus Measuring the girth of a big star March 12, 2021

Arcturus Stream Streaming through the galaxy April 9, 2019

Watching the Bear Keeping an eye on the great bear August 28, 2016

Arcturus Extra pounds cut billions of years June 12, 2016

Featured Images


The Herdsman May 9, 2019