annaghughes, "quasar" is a fun word in astronomy. It's short for quasi-stellar object - things that look a lot like stars but not quite the same. Like some stellar uncanny valley.
I made a little video about why they look different, and what they turned out to be
https://www.instagram.com/reel/C3xt4SDR6M2/?igsh=b2dnNmEzaDN6MTU4