All Questions
Tagged with fundamental-astronomy stellar-astrophysics
5
questions
20
votes
3
answers
7k
views
Can a magnetic field of an object be stronger than its gravity?
Can a planet, star or otherwise have a magnetic field that is stronger or have more range than its gravity?
1
vote
1
answer
280
views
The Solar Motion and the peculiar velocities of stars
Local standard Of Rest is the hypothetical origin of a reference system with respect to which the motions of all stars in some neighborhood of the sun average out to be zero
which type of motions of ...
2
votes
1
answer
62
views
When black holes forms out of a supernova do they have a very high velocity?
When black holes forms out of a supernova do they have a very high velocity ?? Or do they remains at the position of parent star ??
2
votes
2
answers
2k
views
Determining distance from semi-major axis and eccentricity
I am trying to obtain the distance covered by an object in orbit around the earth within a specified amount of time past its perigee passage. The object is in an elliptical orbit with eccentricity 0.2 ...
17
votes
2
answers
1k
views
Open problems in astronomy that an amateur (with a PhD in some other field) would have a chance of solving?
What are some open problems in astronomy that an amateur would have a chance of solving? Suppose the amateur has a PhD in some other field, owns a basic telescope, a set of filters, diffraction ...