|Pronunciation||/ /, genitive / /|
|Symbolism||the greater dog|
|Area||380 sq. deg. (43rd)|
|Stars with planets||6|
|Stars brighter than 3.00m||5|
|Stars within 10.00 pc (32.62 ly)||1|
|Brightest star||Sirius (α CMa) (−1.46m)|
|Visible at latitudes between +60° and −90°.|
Best visible at 21:00 (9 p.m.) during the month of February.
Canis Major is a constellation that is in the southern sky. It means "greater dog" in Latin (also called large dog). There is also the constellation Canis Minor, which means "lesser dog" in Latin. The astronomer named Ptolemy listed Canis Major when he made a list of 48 constellations. It is also one of the 88 modern constellations that were made by the International Astronomical Union.
The star Sirius is in Canis Major. Sirius has a magnitude of -1.44, which means that it is the brightest star in the night sky. It is sometimes called the "dog star." Also, Sirius is only 8.6 light years away from Earth, which is very close. It also contains one of the largest stars known, VY Canis Majoris.