Check this out....this is soooo kewl.

Walking With Monsters: Life Before Dinosaurs (1 of 12)

Watch this first one......and tell me is this true, because I have never heard it before:

http://www.youtube.com/watch?v=Yveo1hRXFME

Then continue with these other ones.....its so interesting.

http://www.youtube.com/watch?v=faGA_5rEXl8
http://www.youtube.com/watch?v=7niMVm7xxLk
http://www.youtube.com/watch?v=1KlyEwOqucQ
http://www.youtube.com/watch?v=s9ZWyyCrRf0
http://www.youtube.com/watch?v=KnCIEgk55DU
http://www.youtube.com/watch?v=0dJ6QZWfMm8
http://www.youtube.com/watch?v=s0hZ3rHI_v8
http://www.youtube.com/watch?v=QwgFiPjF9AE
http://www.youtube.com/watch?v=yuFdmJDjHBs
http://www.youtube.com/watch?v=VBNRdFGF9zg
http://www.youtube.com/watch?v=wE7vnVrMd4M

About the planets smashing together? No idea, but it sounds like a theory to me.

Oh, and thanks for the links...just found something to do for the next few minutes

when your delving that deep in to earth history, 99% of things brcome theory, however it does have grounding and supporting evidence otherwise it would just be an idea, not a theory.

i saw some of this on TV. pretty sweet show

nice.....thanks for video
i already seen it in tv.but i dont remember that well.