Instead they think it is just a dense area of faraway stars that are still part of the Milky Way. – Canis Major Dwarf Galaxy, discovered in the year 2003, contains about a billion stars, and at 25,000 light years distant is now believed to be the closest galaxy to our solar system, although its galaxy status is still disputed. 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.. Recent observational evidence suggests that the Sagittarius dwarf galaxy represents the only major ongoing accretion event in the Galactic halo, accounting for the majority of stellar debris identified there. Classified as a K1III yellow/orange giant, it has a gas giant planet in orbit around it 2.6 times the size of Jupiter. It is about 25,000 light-years away from the Solar System , [2] and 52,000 light-years from the Galactic centre . Canis Major Dwarf. Canis Major Dwarf: A New Closest Galaxy. Canis Major contains eight stars known to support planetary systems.
These include Carina Dwarf, Draco Dwarf, and Leo II Dwarf. The smallest dwarf galaxies of the Milky Way are only 500 light-years in diameter. Astronomy Picture of the Day (APOD) November 23, 2003. This paper summarises the recent discovery of another potential Milky Way accretion event, the Canis Major dwarf galaxy. Messier 79 (M79) is a globular cluster located in the northern constellation Lepus, the Hare. Now it’s stream of gas and dust surrounding the Milky Way. The galaxies in the Local group take up a region of space about 10 million light-years across. A small, irregular galaxy with a mass of about a billion solar masses, the Canis Major dwarf galaxy is one of our closest neighbours, lying approximately 25,000 light years from the Sun and 42,000 light years from the centre of the Milky Way.Until recently, however, this dwarf galaxy lay unobserved behind the dust and gas in the disk of the Milky Way.

Each galaxy in the Local Group has its own size, shape, and defining characteristics. Canis Major Dwarf and Monoceros Ring. Canis Major Dwarf galaxy. Another dwarf galaxy surrounding the Milky Way is the Sagittarius Dwarf. Either way, it is clear that this bunch of stars has been pulled very close to our Milky Way by our galaxy’s massive gravity. It is now thought to be the closest neighbouring galaxy to our position in the Milky Way . 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. The Canis Major dwarf is classified as an irregular galaxy. It has the designation NGC 1904 in the New General Catalogue. The Canis Major Dwarf Galaxy Dwarf Galaxy is believed to contain one billion stars in all, a relatively high-percentage of which are in the Red Giant Branch phase of their lifetimes. Canis Major Dwarf Galaxy Messier 79. Some scientists don’t think the Canis Major cluster of stars is actually its own galaxy or dwarf galaxy. NU02 Canis Majoris is bright enough at magnitude 3.95 to be easily seen with the naked eye. It was discovered in 1994 and just like the Canis Major dwarf galaxy, the massive pull of the Milky Way’s gravity has been tearing it apart over billions of years. And, the group is actually part of an even larger group of galaxies known as the Local Supercluster. The cluster lies at a distance of 41,000 light years from Earth and has an apparent magnitude of 8.56. Canis Major is a constellation in the southern celestial hemisphere.In the second century, it was included in Ptolemy's 48 constellations, and is counted among the 88 modern constellations.Its name is Latin for "greater dog" in contrast to Canis Minor, the "lesser dog"; both figures are commonly represented as following the constellation of Orion the hunter through the sky. Other deep sky objects in Canes Venatici include the dwarf elliptical galaxy NGC 4627, the elliptical galaxy NGC 5223, the lenticular galaxy NGC 4138, the edge-on spiral galaxies NGC 4244 and NGC 4217, the spirals NGC 5002, NGC 5112, and NGC 4534, and the dwarf spheroidal galaxies Canes Venatici I and Canes Venatici II. The Canis Major Dwarf galaxy is located in the same part of the sky as the constellation of Canis Major. References: Nicolas F. Martin, Rodrigo A. Ibata, Michele Bellazzini, Michael J. Irwin, Geraint F. Lewis and Walter Dehnen, 2003. This dwarf satellite galaxy is found to lie just below the Galactic plane and appears to be on an equatorial orbit. A Japanese cargo ship arrived at the International Space Station today (May 25) to make one final delivery before its fleet is retired. The galaxy is believed to be a satellite of the Milky Way and a member of the Local Group of galaxies, which includes about 30 galaxies that are loosely bound together by their gravitation.

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