All Questions
Tagged with deep-sky-observing black-hole
2 questions
2
votes
3
answers
3k
views
If a black hole was headed for our solar system and would arrive within a year, would we necessarily know of it?
Basically, is our observational technology and coverage sufficient enough to pretty much always spot incoming objects like a black hole when they're a year from arriving? If so, within what time frame ...
1
vote
1
answer
250
views
How big would the supernova when a neutron star collides with another neutron star? [closed]
If two neutrons stars that are orbiting were to collide, how big would the supernova explosion be?
Would a new black hole or a new supernova remnant be formed?