Astrophysics/Experts

Recent Answers

2012-02-09 speed of light:

You're invoking impossibility, traveling at the speed of light when you have mass and that would take an infinite amount of energy.  So the question is just wrong to start with.  If you could, as some

2012-01-31 Astonomy / Physics:

Hello,    Okay, let's make it more concrete using the problem below - with the accompanying diagram as a reference.    Problem:    A student draws a sketch with square units in centimeters (Fig. 1) of

2012-01-31 Astonomy / Physics:

Hello,    This sounds suspiciously like a homework problem which I don't do. However, I can provide some assistance to enable you to complete the solution on your own.    The semi-major axis, a, which

2012-01-27 Time dilation and expansion of the universe:

Hello,    You raise an intriguing question and one which, certainly at first glance, appears to have or suggest serious gaps in our perceptions or knowledge, especially regarding cosmic inflation and the

2012-01-12 Ric Ross questioin -infinite gravitational force:

Hello,    "Infinite gravitational force" is kind of a poor description of what's going on. Also, the new M-brane collision theory for the origin of the Big Bang kind of eliminates most discussions of "singularities"

More Answers in Category Astrophysics