Friday, October 9th, 2009
What happens when galaxies collide?
I think this video could explain it to you. It is an animation based on Hubble and computing calculations, because the fact is really slow, so we can’t “record” it. The nearest galaxies (one each other) are separated about 200.000 light years.
Aurora Borealis
Do you know what is it? Auroras, sometimes called the northern and southern [...]