The Astronomers

PBS's NOVA series presents "Origins - Fourteen Billion Years of Cosmic Evolution." Hosted by author Neil deGrasse Tyson. Earth Is Born - Introduction: http://www.youtube.com/watch?v=Up56lsF_GTs Earth Is Born - Part 1: http://www.youtube.com/watch?v=8brEo1_7Iro Earth Is Born - Part 2: http://www.youtube.com/watch?v=l-wJDJybgH0 Earth Is Born - Part 3: http://www.youtube.com/watch?v=nzVmCClczS4 Earth Is Born - Part 4: http://www.youtube.com/watch?v=XfTEFcKgPhg Earth Is Born - Part 5: http://www.youtube.com/watch?v=e6-oWg5OGTY How Life Began - Introduction: http://www.youtube.com/watch?v=Wooi1DdbJy4 How Life Began - Part 1: http://www.youtube.com/watch?v=KBrv3FmdrG4 How Life Began - Part 2: http://www.youtube.com/watch?v=qzZkgRuiVkw How Life Began - Part 3: http://www.youtube.com/watch?v=b1EIuhMMgfA How Life Began - Part 4: http://www.youtube.com/watch?v=vMgeqAO0txg How Life Began - Part 5: http://www.youtube.com/watch?v=IEitPjlhSqQ Where Are The Aliens? - Introduction: http://www.youtube.com/watch?v=eizOJOKpNDE Where Are The Aliens? - Part 1: http://www.youtube.com/watch?v=2N7EtL6J_6o Where Are The Aliens? - Part 2: http://www.youtube.com/watch?v=VN5IZGo7RbY Where Are The Aliens? - Part 3: http://www.youtube.com/watch?v=WEZ39BdkSWM Where Are The Aliens? - Part 4: http://www.youtube.com/watch?v=_d-3LRPiluc Where Are The Aliens? - Part 5: http://www.youtube.com/watch?v=jxRAkfMnGVY Back To The Beginning - Introduction: http://www.youtube.com/watch?v=QkMRVUBzVuk Back To The Beginning - Part 1: http://www.youtube.com/watch?v=U_shoh8fmdU Back To The Beginning - Part 2: http://www.youtube.com/watch?v=WiBwhx7b5-k Back To The Beginning - Part 3: http://www.youtube.com/watch?v=mDwZ6Mv7fQU Back To The Beginning - Part 4: http://www.youtube.com/watch?v=wZNQd9QkS38 Product of WGBH Educational Foundation. From the "Earth Is Born" disc. To purchase the DVD set, click here: http://www.amazon.com/NOVA-Origins-Neil-Degrasse-Tyson/dp/B0001WTWPG/ref=pd_ts_d_3?ie=UTF8&s=dvd