Index
Antimatter. See also Matter
E = mc2, 112
importance of, 160
origins of discovery, 160–61
Apes
human evolution, 146
Archimedes
levers and buoyancy, 3–4
Aristotle
Jupiter’s moons, 13
law of falling objects, 9–10
laws of motion, 31
Arteries
circulatory system, 15–16
Astrology
distance to the sun, 27
Astronomy. See also Big Bang theory; Black
holes; Expanding universe; Galaxies;
Origins of life; Solar system; Speed
of light; Sun-centered universe
dark matter, 211–12
distance to the sun, 27–28
Doppler Effect, 75–76
electromagnetic radiation/radio waves, 83
existence of planets around other stars,
215–16
Infrared (IR) and ultraviolet (UV) light,
55–56
planetary motion, 11–12
quasars and pulsars, 205–6
Atmosphere. See also Ice ages; Nature of the
atmosphere; Oceans, effects on
weather; Oxygen; Weather
air pressure, 17–18
matter, 47–48
origins of life, 194–95
photosynthesis, 45
Atmospheric layers
importance of, 107
origins of discovery, 107–8
Atomic bonding
importance of, 131
origins of discovery, 131–32
Absolute zero temperature
superconductivity, 128–29
Accelerating universe
importance of, 218
origins of discovery, 218–19
Acetylcholine
neurotransmitters, 145
Achromatic microscope
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