![]() ![]() That enigmatic quality makes the behemoths an enticing subject, scientists explain in the new documentary Black Holes: The Edge of All We Know. Anything that crosses a black hole’s threshold is lost forever, trapped by an extreme gravitational pull. It is also one of few black holes in the universe where the nearby flow of matter can be observed.Black holes sit on the cusp of the unknowable. This supermassive black hole is about 4 million times the mass of the Sun and just 26,000 light years from Earth. Astronomers used the Chandra X-ray Observatory to try to decipher why material around Sagittarius A* is extraordinarily faint in X-rays. Right in the centre of the Milky Way galaxy, NASA revealed its images on their official website. ![]() Here we see for the first time a very strong indication that orbiting hot spots are also present in radio observations,” Wielgus was quoted as saying by Science Daily.Įarlier this year in May, scientists were able to capture the supermassive black hole called Sagittarius A*. “What is really new and interesting is that such flares were so far only clearly present in X-ray and infrared observations of Sagittarius A*. ![]() Maciek Wielgus from the Max Planck Institute for Radio Astronomy, Germany, led this discovery. These results suggest that the accretion structure in Sgr A* is a magnetically arrested disk rotating clockwise,” the study added. Accounting for the rapidly varying rotation measure, we estimate the projected on-sky axis of the angular momentum of the hot spot to be ∼60ith a° east of north, w 180° ambiguity. ![]() We observe hints of a positive black hole spin, that is, a prograde hot spot motion. “Assuming a Keplerian orbit, we find the hot spot orbital radius to be ∼5 Schwarzschild radii. The astronomers were able to capture the overall features of it well due to their emission model. According to the research, this gas bubble radiated strongly polarized synchrotron emission. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |