How heavy is a black hole?

Related questions

1. What happens in Event Horizon?
2. Why did the Deepwater Horizon explode?
3. Which black hole is at the center of our galaxy?
4. What's beyond the observable universe?
5. How big is the black hole?
6. What happens if you enter a black hole?
7. Do all black holes have the same density?
8. How hot is a Kugelblitz?
9. What does event horizon look like?
10. Is the sun a planet or a star?

Tags

1. #weigh
2. #champ
3. #making
4. #galaxy
5. #local
6. #weighs
7. #nearby
8. #heaviest
9. #black
10. #billion
11. #universe
12. #astronomers
13. #seattle
14. #heavyweight