Astrobiology Astrobiology Vol. 409, No. 6823 (22 February 2001). Commentators often bemoan what they see as the increasing tendency of research to be inward looking, self-serving…

Slide 1 The Origin of Life The Origin of Life OCEAN 355 Lecture Notes #4 Autumn 2008 H H H H Slide 2 Theories of the origin of life “We still have little idea how, when…

Slide 1 Early Earth History Key Reference: Nisbet and Sleep, The habitat and nature of early life, Nature, 409, 1083-1091, 2001. Solar system began about 4.6 Gy ago Started…

Slide 1 Theories of the origin of life “We still have little idea how, when or where life began…. The evidence is circumstantial and can be compared with delving into…

Theories of the origin of life “We still have little idea how, when or where life began…. The evidence is circumstantial and can be compared with delving into such records…

The moon and the earth’s rotation rate When the moon formed, it was much closer to earth than it is today. Over geological time, tidal interactions between the moon and…

The moon and the earth’s rotation rate When the moon formed, it was much closer to earth than it is today. Over geological time, tidal interactions between the moon and…