They’re at the core of a triple galaxy merger one billion light years from Earth

They’re at the core of a triple galaxy merger one billion light years from Earth
When notified of a gravitational wave detection, SAGUARO will attempt to find optical evidence of the aftermath
The LIGO and Virgo collaboration has observed more cosmic collisions after their equipment upgrades in April 2019
After upgrading the mirrors, lasers and other important components, the hunt for ripples in space and time is back on
Marking the beginning of a new era in astrophysics, scientists have detected ripples in space-time and electromagnetic radiation, or light, from the same event
This is the first three-detector observations made of these waves in the fabric of space-time
The system resides in spiral galaxy NGC 7674, which is located about 400 million light years from Earth
The spacecraft has been switched off as planned on the evening of 18 July, ending its successful mission which surpassed all expectations
An odd flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained
The rotational rate of one of the most massive black holes in the universe has been measured
“It’s the cosmic equivalent of a pregnant woman carrying twins inside her belly,” says Harvard astrophysicist Avi Loeb
The finding confirms a major prediction of Albert Einstein’s 1915 general theory of relativity and opens an unprecedented new window to the universe