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Canis Major, the Greater Dog

A constellation containing the brightest star in the entire night sky, brilliant Sirius


Radio Programs

Third Dog Dumping chemicals into space January 13, 2021

Second Dog A different view of a hot star January 12, 2021

Adhara Outshining the Dog Star January 31, 2020

Bright Dog Another impressive “dog” star February 16, 2019

Caroline’s Cluster A surprising star cluster January 14, 2016

Aludra The showiest “dog” star of all January 13, 2016

The Dog’s Tail The big dog wags its tail — after this. January 12, 2016

Featured Images

Sirius, Mirzam, and M41 in Canis Major, the big dog

Doggie Treats March 11, 2018

Canis Major

The Big Dog February 20, 2018