Astronomy 106 The Cosmic Origins of Life
Fall 2019

Lecture Date

Topic

Reading

Introduction to astrobiology: The scientific study of Genesis

Aug. 29 Scientific facts, theory, and speculation
Sep. 3 Lifespan of the Universe, the Galaxy, and the Solar system
Sep. 5 The Drake equation, life, the components of life, and its definition Sec. 1.1, 6.1.1

Cosmic evolution, the origins of the matter and bodies of the Universe and of the molecular building blocks of life

Sep. 10 Nuclear-chemical evolution of the Universe and the genesis of the chemical elements Sec. 1.4
Sep. 12 Interstellar molecular clouds
Sep. 17 Interstellar molecular clouds (cont.)
Sep. 19 The evolution of protoplanetary disks and the formation of planets
Sep. 24 The successful search for extrasolar planets Ch. 6-7
Sep. 26 Habitability of planets Sec. 2.1-2.3
Oct. 1 Exam #1

Terrestrial evolution: From simple molecules to intelligent organisms

Oct. 3 Chemical evolution and the molecular basis of life on Earth Sec. 1.5, 2.4.4
Oct. 8 Chemical evolution (cont.) Sec. 1.6
Oct. 10 The transition to carbon-based life Sec. 1.2, 1.7-1.8
Oct. 17 Alternatives to carbon-based life
Oct. 22 The odds for/agaist life's occurance, and the prospects for life elsewhere in the inner Solar system Sec. 2.5-2.6, Ch. 3, 8
Oct. 24 The prospects of life elsewhere in the outer Solar system Ch. 4-5
Oct. 29 Biological evolution: the origin of species Sec. 1.3, 1.9-1.10, 2.4
Oct. 31 Biological evolution (cont.)
Nov. 5 The emergence of intelligence
Nov. 7 Exam #2

The origin and fate of technological civilizations like our own

Nov. 12 Cultural evolution: the origin and differentiation of Earth's civilizations, the development of technology, and the convergence on a global populace
Nov. 14 Cultural evolution (cont.)
Nov. 19 Disasters, natural and otherwise, and the lifetimes of technological civilizations
Nov. 21 Disasters (cont.)

The search for extraterrestrial intelligence

Nov. 26 How to find extraterrestrial civilizations: Communication Sec. 9.1-9.3
Dec. 3 Space travel and its associated health hazards
Dec. 5 Have we been visited by intelligent extraterrestrials? Sec. 9.4-9.6
Dec. 10 Exam #3