Recent content by tripforyou

earth and moon with velocity? If the approach velocity is such that the speed of impact is not significantly affected by the earth's gravity (let's say 100km/s headed in a straight line into the sun) how will the sizes of the craters compare if the twin object strikes the moon under identical...

Currently that's one of the major problems of astro-physics. They might be able to observe it if they knew exactly what it was. There are some hopeful theories but nothing definitive that I know of (i.e. nothing producing hard evidence.) Dark energy and dark matter is the way some people say...

It's a theoretical model of string theory. 11 is one of the lower possible number of dimensions proposed by variations of string theories. It, at least in one form, consists of 9 spacial and 2 temporal dimensions. That's the 3 you know, and 3 more, and 3 more. And the time you slowly die in...