Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
A second black hole dives through the accretion disc of its supermassive companion, causing cosmic"hiccups."at the heart of a galaxy about 800 million light-years from Earth, and with a mass equivalent to 50 million suns, suddenly erupted, brightening the material around it by a factor of 1,000.The findings challenge the conventional picture of how black hole accretion disks function.
"We think there will be many more systems like this, and we just need to take more data to find them," Pasham added.Breaking space news, the latest updates on rocket launches, skywatching events and more!Receive email from us on behalf of our trusted partners or sponsors As ASAS-SN was automatically scanning the sky in December 2020, the robotic telescopes saw a burst of light in a hitherto quiet patch of sky containing a galaxy located about 800 million light-years away. Pasham chased down this flare-up using the
If those plumes are directed toward Earth, they could be sighted as a sudden drop in energy from the affected system as light from the accretion disk is periodically obscured, just as starlight is by a"I was super excited by this theory, and I immediately emailed them to say, ‘I think we’re observing exactly what your theory predicted'," added Pasham.
"We’re seeing evidence of objects going in and through the disk at different angles, which challenges the traditional picture of a simple gaseous disk around black holes," Pasham said."We think there is a huge population of these systems out there."Richard Saxton is an X-ray astronomer from the European Space Astronomy Centre in Madrid who was not involved in the research.
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