The origins of Earth. Documentary narated by Neil deGrasse Tyson, BA from Harvard Univeristy, Ph.D. Columbia University.
The Earth was "born" 4.5 billions years ago.
Mike Zolensky, NASA Johnson Space Center
Dave Stevenson, California Inst. of Technology
Bill Hartman, The Planetary Science Inst.
Simon Wilde, Curlin University of Technology
May we all share knowledge, develop our civilization and prosper! Always strive to improve yourself as a person and also raise the general well-being of those around you!