Which black hole is at the center of our galaxy?

Related questions

1. What defines a planet?
2. Are there 12 planets?
3. Do all black holes have the same density?
4. How hot is a Kugelblitz?
5. What is a white hole NASA?
6. What is beyond an event horizon?
7. How heavy is a black hole?
8. What is a green hole?
9. Where is the nearest black hole?
10. What's in a black hole?

Tags

1. #radio
2. #approx
3. #exactly
4. #galactic
5. #coincides
6. #appears
7. #contains
8. #supermassive
9. #milky
10. #complex
11. #astronomical
12. #source
13. #which
14. #located
15. #center
16. #almost
17. #sagittarius
18. #intense
19. #compact
20. #black