II. THE ORIGINATION OF THE UNIVERSE

The structure and origin of the Universe (by NASA)

Superstring Theory

Dark matter and basic terms of astronomy: Scientific American

A playground of stars and galaxies for kids (a NASA site)

Experience black holes, super novas, and more (a NASA site)

What is dark matter? An excellent site by Scientific American

New paradigm since 1998: the Universe is accelerating & it is flat #1, #2

Astronomy picture of the day calendar (by NASA)

III. THE ORIGINATION OF THE SOLAR SYSTEM AND EARTH

Half-a-billion years in a visual nutshell: ice ages, ocean levels, more

Berkeley University plate tectonics site with animation

Geology and/or paleontology sites

Near Earth Asteroid Rendezvous: #1, #2, #3, #4, #5

NASA's site of the planets for kids

See the collision of protoplanets making the earth and moon

Quake Watch

Geology

Berkeley University's Hadean Eon

IV. THE BEGINNING OF LIFE

Astrobiology On the Net

Animated potassium channel. Was it operative 4.2 bya?

Calcium waves and cellular respiration: ancestral roots 4.2 bya?

Cell behavior and environmental interaction via chemical pathways: 4.2 bya?

Animated kinesin and actin-based myosin motors ... of a 4.2 by origin?

  Victorian letters by Harlan Wallach © 1994

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