Study File contents
The origin of life on Earth
The nature of the problem
Timing: when did life appear?
Earth's early environment
How did life originate?
Life elsewhere in the Solar System
A quick assessment
The prime candidates
Life beyond the Solar System
The search for extrasolar planets
The detection of life
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Articles
'The origin of life' by C.R. Woese (1984)
'Seeding Earth: comets, oceans and life'2 by C. Chyba (1990)
'Cold start' by J. L. Bada (1995)
'Nature's feet of clay' (Anon) (1996)
'Search for past life on Mars: possible relic biogenic activity in martian meteorite ALH84001' by D. S. McKay et al (1996)
'Europa: prospects for an ocean and exobiological implications' by J. Oro et al (1992)
'The planet of 51 Pegasi' by A. M. MacRobert and J. Roth (1996)
'The search for extraterrestrial life' by C. Sagan (1994)
'Life on Mars?' by M. Grady and I. Wright (1996)
'The search for extraterrestrial intelligence: scientific quest or hopeful folly?' A debate between E. Mayr and C. Sagan (1996)
'Life's Rocky Start' by R. M. Hazen (2001)
Extracts from Lifting Titan's Veil: Exploring the giant moon of Saturn by R. Lorenz and J. Mitton (2002)
'Extrasolar planets' by A. C. Cameron (2001)
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