![]() The stars, in turn, create and heat cosmic dust, making it glow in infrared to the extent that GNz7q’s host is more luminous in dust emission than any other known object at this period of the Cosmic Dawn. ![]() The host galaxy for GNz7q is an intensely star-forming galaxy, forming stars at a rate 1,600 times faster than our own galaxy, the Milky Way. Images from Hubble and other advanced telescopes have revealed that quasars occur in the centers of galaxies. Quasars, also known as quasi-stellar objects, are extremely luminous objects. The discovery is linked to a specific type of quasars. Since the Big Bang occurred about 13.8 billion years ago, GNz7q origins in an epoch known as “ Cosmic Dawn.” The newly found object-named GNz7q by the team-was born 750 million years after the Big Bang which is generally accepted as the beginning of the universe as we know it. And in astronomy, looking further equals being able to observe phenomena which took place at earlier cosmic periods-since light and other types of radiation will have traveled longer to reach us. With its location in space-undisturbed by weather changes, pollution etc.-the telescope can gaze further into the depths of the universe than would have been the case on the ground. The discovery can be attributed to the Hubble Space Telescope operated jointly by ESA and NASA. “The discovered object connects two rare populations of celestial objects, namely dusty starbursts and luminous quasars, and thereby provides a new avenue toward understanding the rapid growth of supermassive black holes in the early universe,” says Seiji Fujimoto, a postdoctoral fellow based at the Niels Bohr Institute at the University of Copenhagen. Simulations had indicated that such objects would exist, but this is the first actual finding. The object was born relatively soon after the Big Bang. “Understanding how supermassive black holes form and grow in the early universe has become a major mystery.” The researchers identified a distant object with properties that lie between those of a galaxy and those of a so-called quasar. For the first time, scientists have found the ancestor of a supermassive black hole.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |