A galaxy "Dragonfly 44" of 99.99% has the same size as the Milky Way made of dark matter (dark matter) is discovered

It is thought that it occupies most of the universe although it can not be seen by the eyesDark matter (dark matter)Is a big concern in space research. A researcher at Yale University, a new kind of galaxy made almost entirely of dark matterDragonfly 44We are hoping for elucidation of the nature of dark matter.

A HIGH STELLAR VELOCITY DISPERSION AND - 100 GLOBULAR CLUSTERS FOR THE ULTRA - DIFFUSE GALAXY DRAGONFLY 44 - IOPscience
http://iopscience.iop.org/article/10.3847/2041-8205/828/1/L6

A new class of galaxy has been discovered, one made almost entirely of dark matter - The Washington Post
https://www.washingtonpost.com/news/speaking-of-science/wp/2016/08/25/a-new-class-of-galaxy-has-been-discovered-one-made-almost-entirely-of-dark-matter/

Found: Dragonfly 44, a strange galaxy made mostly of dark matter | Fox News
http://www.foxnews.com/science/2016/08/25/found-dragonfly-44-strange-galaxy-made-mostly-dark-matter.html

A research team at Yale University discovered a new galaxy "Dragonfly 44" that is just as large as the Milky Way but only has a mass of only 1%. This new kind of galaxy, surprisingly, 99.99% is composed of dark matter (dark matter).

Dr. Peter van Dockham, who discovered Dragonfly 44, said that he was not looking for dark galaxies. "We originally thought about researching what is present at the edge of the galaxy, but by accident we also confirmed small spots," Dockyam says. Dr. Dockyum and his colleague said that he thought that there was a defect in the captured image. However, as a result of verifying the data in detail, it seems that it was found to be a completely new type of substance.


In general galaxies like the Milky Way, most of them are dominated by countless stars, and dark matters exist only in chatter. However, Dragonfly 44 is extremely unique in that the dark matter is occupied entirely, and since it has the possibility of directly investigating the dark matter which has not been studied so far, it seems that Dragonfly 44 will serve greatly in elucidating the dark matter It is expected.

In addition, Dr. Dockyam expects Dragonfly 44 to be able to find a similar galaxy in the surroundings, not the only galaxy made of dark matter.