Researchers at UCSB and UT Austin have determined that a galactic merger kicked a supermassive black hole into intergalactic space. In September 2022, astronomers observed something very odd in a galaxy around 7.5 billion light-years from Earth. Extending from this galaxy was a thin line stretching more than 202,000 light-years from the galaxy's center. At the end, there appeared... [4657 chars]