Tagged Questions
3
votes
1answer
85 views
If the observable universe keeps expanding would we eventualy see light 24/7… clouds permiting?
If we can see more observable universe could there be a time when day and night looked the same?
1
vote
1answer
223 views
How does a star wobble due to orbiting bodies
What equations determine how a star wobbles in response to an orbiting planet, and can it be used to determine the mass of distant objects based on the wobble?
If there are other more reliable ...
16
votes
2answers
1k views
How does one measure the mass of a galaxy? And other such large quantities
Trained as a pure mathematician, I see claims about the mass of a galaxy and other such huge measurements that are arrived at experimentally, and I just have to scratch my head.
I know this is a bit ...
