1. He's a creep. (= unpleasant, suspicious, makes you afraid/uneasy) 2. He's a pervert. (= someone with disgusting sexual tendencies) 3. He's a sicko. 4. He's a scumbag. 5. He's an asshole. 6. He's a jerk. 7. He's a bastard. 8. She's a bitch. (= she's irritating and unpleasant) 9. She's a psycho. (= crazy, irrational) 10. She's a slut. (= she has sex with a lot of people)
Streams of cold gas feed a forming galaxy in this artists visualization. The arms of gas bring in the raw material to feed star formation in the new galaxy.
No one has ever seen this process in real life; rather, this version of galaxy formation is a theoretical scenario based on numerical simulations.