Skip to main content

All Questions

Filter by
Sorted by
Tagged with
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 ...
A. Kvåle's user avatar
  • 137
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?
Partvision's user avatar