Recent content by fastartcee

Thanks, SpaceTiger, for your illuminating reply! I knew from previous readings that globular clusters were [nearly] collisionless systems, and I have some appreciation of how the multiple-star gravitational interactions would result in highly complex orbits and orbital evolution, but I'm...

As I understand it, the stars in a globular cluster have orbits with a whole range of eccentricities and directions of motion, giving the cluster an overall spherical shape, with a greater density of stars toward the center. How did the overall cloud out of which the globular cluster arose...

Thanks to all, and a couple questions for NEOclassic Thanks for the replies, which have helped... a bit. As a group, though, the replies must have been exothermic because I began to perspire in my efforts to comprehend what you were saying. :wink: Jim, I don't at all follow "suppose...

Why no 'Big Crunch' a femtosecond after "Big Bang"? When the Universe was the size of a grapefruit, with the mass of 100 billion galaxies (actually, 20 times that mass, I suppose, given dark matter and dark energy), why did it not instantly suffer gravitational collapse into a megamega black...

Sorry if this question has been answered already; I've searched, but couldn't find an answer or discussion. Question: If these charges are precisely equal, doesn't that imply that these particles are somehow related? IE, they were created from the same source particle, a particle that had a...