The Canis Major Dwarf Galaxy is a hypothetical galaxy in the Local Group, located in the same part of the sky as the constellation Canis Major.
The galaxy contains a relatively high percentage of red giant stars, and is thought to contain an estimated one billion stars in all.
The Canis Major Dwarf Galaxy is classified as an irregular galaxy and is now thought to be the closest neighbouring galaxy to our location in the Milky Way, being located about 25,000 light-years away from our Solar System and 42,000 light-years from the Galactic Center. It has a roughly elliptical shape and is thought to contain as many stars as the Sagittarius Dwarf Elliptical Galaxy, the previous contender for closest galaxy to our location in the Milky Way.
Read more about Canis Major Dwarf Galaxy: Discovery, Characteristics, Dispute
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