“List of things which aren’t comets”
1. Hot dogs
2. Oak trees
3. Cassette tapes
4. Hot dogs
5. Giza Dream Sheets
6. Paper clips
7. Tony Orlando’s socks
8. My neighbor Steve
9. Hot dogs
10. A 1968 Oldsmobile 442
You have hotdogs there several times, but the things that show up the most in astronomy that are not comets are definately cheeseburgers.