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Sirius, the Dog Star

The brightest star in the northern night sky, Sirius is actually a binary star system 8.7 light-years away in the constellation Canis Major.

Radio Programs

The Dog Days Sweating through the Dog Days of summer August 6, 2017

Leading the Dog One dog leads another across the sky January 21, 2017

Dog Days The dog days of summer August 13, 2016

Sirius Two dogs that are moving apart — after this. January 10, 2016

Sirius Rising The Dog Star climbs into winter evenings January 3, 2015

Moon and Companions The little dog leads the big dog September 17, 2014

Sirius Rising The right season for the Dog Star December 5, 2013

Dog Days The “dog days” of summer August 16, 2013

Canopus The silver medalist of bright stars January 19, 2013

More Sirius A stellar weight-loss program December 29, 2012

Sirius A beautiful dog gets closer December 28, 2012

Seventh Month Miscounting the months August 31, 2012

Dog Days Sweating through the Dog Days of summer August 5, 2012

White Dwarfs II Stretching the light of a dead star February 1, 2012

Sirius B A close companion for a bright star January 30, 2012

Sirius A close, bright stellar neighbor January 29, 2012

The Big Dog Biting into a bright constellation January 28, 2012

Brightest Lights Cutting off a slice of the sky January 20, 2012

Featured Images

Sirius B, the white-dwarf companion to Sirius, compared to the size of Earth

Stellar Afterlife February 1, 2012