Scientists Discover a Starless, Spinning Ghost

Astronomers can only stumble with a small, star-free, fast-moving gas cloud, which inspects all of the “dark galaxy”, which is known in a straight landscape. If the discovery sees, the most cosmology can help you from the chips: the mysterious “missing satellite” problem.

The team’s investigation, published Today describes a compact hydrogen cloud compressed inside a larger high-speed cloud (HVC), a larger high-speed cloud (HVC) known as Science Advances, AC-I, AC-I. The cloud was seen by an international investigation team using China’s great fast radio telescope. Although HVCs are known to grow rapidly outside our string of the Milky Way, most are relatively inaccessible gas blocks. But recently the cloud of stained gas is different: rotates.

Ultra sensitive observations of the speed, in the cloud set in the form of a disk – a dwarf found that you have the type of structure you expect from the galaxy. However, the deterioration of something: There is no sign of stars in the cloud and the molecular gas (ordinary star-generating things) are not found. AC G185.0-11.5 is probably consisted of hydrogen gas, which slides in space without illuminating anything inside. Ergo is a dark galaxy.

Using a galactic moving equations and a spacecraft called Tully-Fisher connection, the team evaluated the cloud from the ground: about 278,000 light years. This relaxes the cloud, the local group, in our galactic neighborhood. As for the crowd, the cloud is 30 million and about 500 million solar mass, but it will be considered a galaxy.

AC G185.0-11.5 “Dark Galaxy” nifty tag is its dark matter. Researchers are held with a massive dark substance of the cloud, a moderate type of the ideal, a theoretical type of the stars of darker substances, which is the ideal-galactic candidate.

These scientists have suspected some high-speed clouds can be really hidden galaxies, but most other candidates were not clear whether there was clear rotation or the Milky Way Halo was very difficult to distinguish. AC G185.0-11.5 looks like a real deal – the best evidence for a galaxy that is not all the meat and potatoes. If you were a potato star, you know.

If the candidate’s dark galaxy is confirmed, it can rewrite our thinking about the formation of galaxies. The cloud points a tantalization where all the “missing” can hide small galaxies – not missing, simply sitting without light in the eyes.