The Canis Major Overdensity (CMa Overdensity) or Canis Major Dwarf Galaxy (CMa Dwarf) is a disputed dwarf irregular galaxy in the Local Group, located in the same part of the sky as the constellation Canis Major.. Our galaxy is currently consuming the Canis Major Dwarf Galaxy (the closest galaxy to ours). Canis Major has five deep sky objects. For many years astronomers thought the Large Magellan Cloud (LMC) was closest, but its title was supplanted in 1994 by the Sagittarius dwarf galaxy. For more information on these and other exoplanets, visit NASA's New Worlds Atlas, and The Open Exoplanets Catalogue. There is a black hole at the center of the galaxy that is estimated to be … Gamma Canis Majoris is named Muliphen (or Muliphien), from the Arabic "Al Muhlifein," an ancient title that has been applied (with various spellings) to different stars and groups of stars through the ages. The Canis Major dwarf galaxy (CMa dwarf) or Canis Major overdensity (CMa overdensity) is a disputed dwarf irregular galaxy in the Local Group.It is in the same part of the sky as the constellation Canis Major.. The reason it is so bright is because it is so close, only 8.7 light years away, the second closest naked eye star to Earth (after Alpha Centauri), and the fifth closest star overall. 1. FACTS, LOCATION & MAP Although Sirius is unmistakably blue/white in colour, nearly all ancient texts refer to it as red. The constellation hosts the brightest star on the whole nights sky, the star Sirius. 4. By the time the hot days of July and August arrive, Sirius is rising with the Sun, and the "dog days of summer" are upon us. In 1976 American author Robert Temple wrote a controversial best selling book called The Sirius Mystery, claiming that the primitive Dogon tribe of Mali, West Africa, possessed knowledge of the existence of Sirius B, and many of its characteristics. The galaxy contains a relatively high percentage of red giant stars, and is thought to contain an estimated one billion stars in all.. But, new theories based on NASA’s Galaxy Evolution Explorer space probe suggest that some dwarf galaxies are also formed out of gases containing no metals. As the name suggests, a dwarf galaxy is a small galaxy made up of a billion stars. All Rights Reserved. Canis Minor is the 71st largest constellation in the sky, occupying an area of 183 square degrees. The Canis Major Dwarf Galaxy Dwarf Galaxy is ... thus depositing its 1 billion stars to the 200 t0 400 billion that are already part of our galaxy. Some Egyptian temples were aligned with window openings facing east, directly where the Dog Star rose, and when the light from the star shone through the opening, it meant the Nile was about to commence its annual flood, spreading its waters and rich soil over the adjoining floodplain, an occurrence critical to the survival of the Egyptian people. (99), GPS Products & Software Listings: All the latest and greatest GPS reviews and advice for all your tracking, automobile, recreation, marine or aviation needs (302), GPS Maps, Conversion and Media Types - Conversion techniques and GPS media types to keep your GPS navigation devices up-to-date (44), GPS Help, Support, Troubleshooting Tips & Tricks: Get the most out of your GPS device (55), Understanding Home Theater: Home Entertainment history of, what is, how-to guides? The constellation of Canis Major contains several interesting deep-sky objects as well, such as the Canis Major Dwarf Galaxy, the emission nebula NGC 2359 – also known as Thor’s Helmet, or the colliding spiral galaxies NGC 2207 and IC 2163. The opening mentions that it's a Dwarf galaxy, but that article says a dwarf galaxy consists of around 10 million stars (compared to the Milky Way which has 200-400 million), whereas this article states Canis Major may contain 1 billion (10 million × 100) stars, which is considerably larger than the Milky Way itself, let alone a "dwarf" galaxy. The supposed small galaxy contains a relatively high percentage of red giant stars, and is thought to contain an estimated one billion stars in all. Exploring Two of the Most Magnificent Open Clusters in the Night Sky: the Hyades and the Pleiades. Canis Major Dwarf Galaxy Facts. The bright central star is Tau Canis Majoris, and the grouping is often referred to as the Tau Canis Majoris Cluster. In fact, the Canis Major Dwarf Galaxy is the closest galaxy to the Milky Way because its stars are currently being added to the Milky Way's disk. 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