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Thank God for that. ;)

Some day you'll die. Ignorance of that would be bliss. Unless you happen to believe in life after death, which I imagine you do.

My point exactly. Some day we'll figure it out, but we two might never see it.

Except that gravity is an inverse square law, and we're talking about an infinately small point. Besides, we don't even know if the laws of physics as we know them apply to the big bang. We think that space and time were created at that point. If time doesn't exist before it happened, what the...

You, sitting in Australia, are currently exerting a gravitational pull on me, and vice versa. Just because it's tiny doesn't mean it isn't there. We don't know what was before the big bang - at best we can speculate.

A singularity. Don't ask me what it is - many people far smarter than me will spend whole lifetimes trying to figure that one out. One theory is that it might have been the remains of a big crunch - that the whole universe will eventually collapse in on itself and the whole think will start...

You find out how far away it is by using some standards. Certain types of supernova are always the same brightness, so you can calculate how far away they are by how bright they appear here. You can then assume that the stars in the same cluster are more or less the same distance away. Red...