Seven Needles, 800,000 Haystacks
Illustrative image A quasar is a supermassive black hole in the act of feeding, and it’s so bright that it drowns out the galaxy it sits in. That is a nuisance if you want to weigh the galaxy and weighing it is exactly what you need to do to understand how black holes and the host galaxies grew up together. There is a way round it howeve…
Source：Universe Today
Related news
Pluto losing its planet status may be the best thing that ever happened to solar system diversity
Launch Preview: Falcon Heavy to launch Roman telescope, Falcon 9 to launch Starlink satellites
NASA Sets Coverage for Roman Space Telescope Launch from Florida
'Project Hail Mary' and 'The Martian' author Andy Weir is headed back to outer space, but not how you'd expect
Mission Launches to Rescue Swift Observatory (Updated)
Goodbye, Falcon 9: SpaceX planning to retire workhorse launcher when Starship is up and running
Looking for companies in this field?
UchUchU maintains a database of Japanese companies in the space industry.