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A huge cloud of gas will hit the Milky way in 30 million years jodie foster

The Cosmic Origins Spectrograph a huge cloud of gas will be in 30 million years into the Milky Way Fox team used the Harbert telescope to monitor the gas cloud, in which they discovered traces of sulfur – sulfur absorption as the three galaxies emit ultraviolet background. According to foreign media reports, NASA said that a huge gas cloud will hit our galaxy in about 30 million years, but it will not cause substantial harm to our galaxy. NASA’s Harbert telescope observations revealed that this piece is called "gas cloud Smith cloud", a long time ago by the Milky Way cast line. NASA has produced a special video to introduce in detail how astronomers in 1963 this piece of gas clouds, as well as researchers on the current understanding of the gas cloud. Andrew Fox, an astronomer at the Space Telescope Science Institute, chaired the study. In a statement from NASA, he said, at present, we have not fully understand the origin of the Smith cloud. There are two main hypotheses about this. The first is that Smith cloud is separated from the Milky Way department — may be a supernova blowing away, another is that the cloud is the Milky Way system was the Milky Way gravitational capture system of celestial bodies. Fox’s team used the Harbert telescope’s Cosmic Origins spectrometer to monitor the gas cloud and found traces of sulfur in it, which absorbs the ultraviolet light emitted by the three galaxies in the background. The team also found that the proportion of sulfur in the Smith cloud and the proportion of sulfur in the outer layer of the Milky Way galaxy, which means that the two have a common origin. Fox said, this cloud is look ejected from the Milky Way lines, are now falling back. Diffuse gas this cloud is currently around the Milky Way system through the composition of the outer halo, is constantly spread, evaporation. In other words, the cloud basically is gradually fall apart. He added that this means that not all of Smith’s cloud could survive and eventually become part of the new star. But if Smith eventually survives, or at least partly survives, it should be able to produce a large number of stars. It is still not clear how this event will be separated from the Milky Way cloud system, and it is how to maintain such a long time. NASA officials said in a statement, it is known that in about 30 million years, one of the two major spiral arms it will hit the Milky Way the Perseus spiral arm of the Milky Way system. At that time, due to the compression of the gas in the spiral arm, there will be a large number of new stars. How large is our galaxy?相关的主题文章: