Quasars are bright objects powered by supermassive black holes that blast out energy as they consume everything within their gravitational grasp.
Hubble detected a pair of quasars that existed when our universe was just 3 billion years old: https://go.nasa.gov/3U96spd
#Hubble
Hubble detected a pair of quasars that existed when our universe was just 3 billion years old: https://go.nasa.gov/3U96spd
#Hubble
Hubble Unexpectedly Finds Double Quasar in Distant Universe
Using NASA's Hubble Space Telescope and other space and ground-based observatories, astronomers investigating these developments have made an unexpected and rare discovery: a pair of gravitationally bound quasars, both blazing away inside two merging…Andrea Gianopoulos (NASA)