Human Universe

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Human Universe Page 23

by Professor Brian Cox


  PLATE SECTION CREDITS

  p1 © NASA/Science Photo Library; p2 © Sheila Terry/Science Photo Library; p3 © BBC; p4 © ESA and the Planck Collaboration; p5 Courtesy of The Carnegie Observatories; p6 © NASA/JPL; p7 top © Jerry R. Ehman; p7 bottom © Benjamin Crowell; pp8–9 bottom © Lionel Bret/Look at Sciences/Science Photo Library; p9 top left © Didier Descouens; p9 top right © Roger Harris/Science Photo Library; pp10, 11 © Brian Cox; p12 © NASA/Rex Features; p13 © Ted Kinsman/Kenneth Libbrecht/Science Photo Library; p14 top © Philippe Plailly/Science Photo Library; pp14–15 bottom © National Geographic Image Collection/Alamy; p15 top © CERN/Science Photo Library; p16 © age fotostock Spain, S. L./Alamy.

  Picture Section

  This famous image (‘Earthrise’) was taken by US astronauts on board the Apollo 8 spacecraft on 24 December 1968 as they orbited the Moon. The photograph has become iconic for its depiction of the beauty and fragility of the Earth.

  This bas-relief shows Giordano Bruno (1548–1610) being burned at the stake for his heretical and revolutionary ideas, among which was his belief that the universe is infinite and contained numerous habitable worlds.

  In the great vacuum chamber at Plum Brook Station we re-created Galileo’s simple experiment by dropping a heavy object (bowling ball) and some lighter ones (feathers) to see which falls faster.

  This snapshot of half of our universe reveals the oldest lights within it. The tiny temperature fluctuations that ripple through the skies reveal the presence of the stars and galaxies of today and for the future.

  Edwin Hubble’s glass plate from the Hooker telescope very clearly reveals his excitement at his discovery that one of the novae he thought he had previously located was in fact a variable. VAR! marks the spot.

  Our message to worlds beyond our own. The Voyager probes carried this phonograph on which were recorded sounds and images that would reflect life on Earth.

  Jerry R. Ehman’s now-famous printout which illustrates the strongest signal ever recorded by the Big Ear – known as the Wow! signal because of his annotation.

  This illustration highlights the location of the Wow! signal. It was found to be coming from the constellation Sagittarius near the Chi Sagittarii star group, from one of the two red bands marked here.

  Outside the Goldilocks Zone – Jupiter from Europa, where it is possible life exists in the sub-surface liquid water.

  Stromatolites are layered structures which are one of the oldest records of life on Earth; the fossil remains within them date back 3.5 billion years.

  Theoretically the first encounter of a space-faring civilisation is more likely to be with a self-replicating robot than with the actual life form. This computer artwork shows a nanorobot assembler using a claw to attach itself to a bacterium.

  Filming the return of the Expedition 38 crew from the International Space Station to the Kazak Steppe was one of the wildest adventures I have ever experienced. That we got to see it is a testament to the determination of man!

  When I was young I dreamt of being an astronaut – it was why I became interested in astronomy and physics. Floating in a most peculiar way in the ISS simulator tank is the closest I will ever get.

  Charlie Duke was the Pilot of Orion, the Apollo 16 Lunar Module. He is shown here collecting lunar samples at Station no. 1 during the first Apollo 16 extravehicular activity at the Descartes landing site. The photograph was taken by Astronaut John W, Young. commander.

  A snowy walk in Prague led Johannes Kepler to formulate The Kepler Conjecture, based on the symmetrical, hexagonal structure of the snowflakes that settled around him.

  The chemical waves in this solution demonstrate the theory that just a tiny alteration in conditions or contents can cause an altered image, such as a dust particle on the surface or the level of moisture in the air.

  This computer simulation reveals the type of particle collision that occurs within the Large Hadron Collider which is expected to produce quark-gluon plasma.

  A global initiative, the ‘Doomsday’ seed vault is located halfway between mainland Norway and the North Pole, deep inside a mountain on a remote island in the Svalbard archipelago. The purpose of the depository is to store duplicates of all seed samples from crop collections around the world.

  A tiny handprint gives a tantalising glimpse into an ancient way of living in the Altamira caves in northwestern Spain. El Castillo contains some of the oldest cave-art in the world.

  Footnotes

  HOW THE LEOPARD GOT ITS SPOTS

  fn1This analogy was published by J. D. Murray in Notices of the AMS, June/July 2012: ‘Why are there no 3-headed monsters? Mathematical modelling in biology’.

  A DAY WITHOUT YESTERDAY?

  fn1Andrei Linde, ‘Inflationary Cosmology after Planck 2013’, arXiv:1402.0526v2 [hep-th]

  INDEX

  The page numbers in this index relate to the printed version of this book; they do not match the pages of your ebook. You can use your ebook reader’s search tool to find a specific word or passage.

  A

  adenosine triphosphate (ATP) 107, 108, 109, 110, 183

  Africa: evolution and 2, 105, 111, 125, 130–1, 138, 139, 143, 149, 150, 151, 153; farming/trade routes and 151, 153 see also under individual nation name

  agriculture, development of 151, 152–5, 160, 239

  Al Khazneh, Petra 153, 154

  al-Haytham, Ibn 10

  aliens see extraterrestrial life Allen Array 66

  Alpha Centauri 84

  Alpha Draconis 134

  Alpher, Ralph 55

  Anders, Bill 16, 17, 18–19, 25, 32, 54

  Andromeda 32–4, 49, 59

  APM 08279+5255 93

  Apollo flights 145, 229–38; Apollo 1 133; Apollo 7 16, 18; Apollo 8 16, 18–19, 25, 132–3, 146, 147; Apollo 9 18; Apollo 11 146, 149; Apollo 13 145–9; Apollo 16 229, 230; Apollo 17 233

  archaeon 109, 110

  Archean period 102, 103

  Archicebus achilles 125

  archosaurs 105

  Arecibo radio telescope, Puerto Rico 47, 84

  Aristarchus 9–10

  Aristotle 7, 20, 29, 37, 39, 43, 54

  Armstrong, Neil 122, 201, 231, 232

  Arnold, Ken 60

  art, early human 210, 213–14

  asteroids 102, 115, 116, 117, 215–16, 218–20, 223, 224, 227

  astrology 132

  Atchley, Dana 68, 69

  ATLAS (Asteroid Terrestrial Impact Last Alert System) 216, 218

  atomic bombs 113

  atomic clocks 133

  atomic nucleus 46, 84, 86, 114, 175, 191

  Audrey, Stephan 90

  Australopithecus 4, 126, 129, 131, 138, 139, 140, 141

  axial precession 133–4, 136, 137

  B

  bacteria 59, 107, 108, 109–10

  Baikonur Cosmodrome, Kazakhstan 121, 123

  Baird auditorium, Smithsonian Museum of Natural History 30

  Barringer Crater 217

  Beidha, Jordan 152, 153

  Bellerophon (51 Pegasi b) 89

  Bessel, Friedrich 22, 23

  Betelgeuse 97

  Bethe, Hans 55

  Big Bang 5–6, 29, 39, 54, 55–6, 93, 168, 169, 170–1, 198, 200, 202, 204, 205, 206, 207

  Big Ear telescope, Ohio University 73, 74

  binary star system 20, 45–6

  Bird, John 132

  Borman, Frank 16, 17, 18–19, 54

  Brahe, Tycho 9, 12, 20

  Bronowski, Jacob 232

  Bruno, Giordano 5–6, 25, 54, 56, 82

  Burke, James 58, 145

  Burns, Heinrich 224

  Bush, George 231

  C

  Callisto 38

  Calvin, Melvin 68, 69

  Cambrian Explosion 98, 105, 106, 108, 109, 111, 112, 118, 192

  Camelopardalis 76

  carbon 96, 102, 174, 197

  carbon dioxide 95, 103, 107, 146

  Catholic Church 37–8

  Cavendish, Henry 10


  cell nucleus 113, 114

  Cepheid variables 27, 33, 49, 132

  CERN, Geneva 69, 160, 177, 180, 231–2, 236

  Cernan, Gene 232, 233

  Chaffee, Roger 133

  Chandrasekhar limit 46

  Chelyabinsk, Russia 215, 216, 217

  Chicago Pile 1 61

  Chicxulub impact, the 217

  China 79, 80, 125, 152, 161, 232, 236, 239

  chlorophyll 107

  chloroplasts 108, 110

  Cigoli (Lodovico Cardi) 37, 38

  Clarke, Arthur C. 57, 58

  classical theory 179

  climate change 114–15, 131, 134, 135, 138–44, 214, 240

  clouds, patterns in 187

  Cocconi, Giuseppe: ‘Searching for Interstellar Communications’ 64, 68, 69, 74

  Cold War 16, 114

  Columbus, Christopher 132

  complexity, emergence of 98–9, 101, 102, 105, 106, 109–10, 110, 111, 114, 143, 172, 184, 185–96, 222–3, 227, 242

  ‘constants of nature’ 46, 195–6, 197, 198–9, 205

  Conway’s Game of Life 223

  Copernicus, Nicolaus 6, 7, 8, 9, 10, 12, 15, 20, 29, 32, 38, 39, 54, 82

  Cornell University 35, 60, 64

  Cosmic Microwave Background (CMB) 55, 178, 200, 201–2, 203, 206

  cosmological constant 52

  coupling constant 179, 182

  cranial capacity 140, 141

  craniofacial development 143

  creation of universe 5, 49–56, 167–207

  cricket 182–3

  Crippen, Bob 120

  crystallography 190

  Cuban missile crisis 70, 113

  Cuneiform 160–1

  Curtis, Heber 31–2, 33, 49

  Curtis, Ian 173

  cyanobacteria 108

  Cygnus constellation 91, 98

  D

  da Vinci, Leonardo 231

  dark energy 169, 182, 196, 197–9, 205

  dark matter 169, 177–8, 198

  Darwin, Charles 31, 110, 113, 192

  Delta Cephei 27

  Deneb 98, 134

  DESY laboratory, Hamburg 160

  Disraeli, Benjamin 31

  DNA 79, 104, 109–10, 125, 138, 139, 142, 151, 175, 190

  Doppler effect 87, 89

  down quarks 175, 177, 242

  Draco, constellation of 91

  Drake Equation, The 70, 71, 72, 73, 82, 91, 100, 101, 103, 104, 111, 113–14

  Drake, Frank 64, 66, 68, 72, 82, 116

  dreamers 234–41

  dualism 187

  deuterium 235, 237

  Duke, Charlie 229, 230–1, 232

  Dunbar’s number 151

  Dunn, Alan 61

  dwarf stars 20, 33, 46–7, 76, 84, 90, 96, 97, 99–100, 221

  E

  Earth 4; Archean Eon 102, 103; birth of life on 104, 192; collision with another planet 143; Earthrise photo 19, 32; formation of 103; from Earth to the Sun 8; Hadean Eon 103, 111; life on, brief history of 104–12; orbit 7, 15, 18, 20, 43, 44, 45, 48, 105, 132–5, 136, 137, 143, 148, 168, 224; position in solar system 1–56; spin axis 102, 132–5, 137; Triassic period 105; Upper Paleolithic period 210; why is there life on? 93–101

  East African Rift Valley 2, 4, 105, 111, 120, 125–6, 131, 138–44, 149, 150, 151, 164, 166

  Eddington, Arthur 53

  Ediacaran biota 105

  Effelsberg telescope, Germany 47

  Egypt, ancient 134, 153, 155, 160, 161–2, 163

  Ehman, Jerry R. 73, 74, 76

  Einstein, Albert 9, 29, 39, 40, 41, 42, 43, 44, 47, 48, 49, 51–6, 168–9, 176, 179, 202, 222, 235 see also under individual theory name

  El Castillo, Spain 210, 213, 214

  electromagnetism 45, 97, 175, 180, 181, 197, 235

  electrons 46, 65, 78, 107, 108, 175, 177, 178, 180, 181, 191, 235, 242

  elementary particles, Standard Model and 181

  Eliot, T. S. 1, 19

  endosymbiosis 108, 109, 110

  energy use 235–6

  Enola Gay 113

  Epicurus 9

  Epsilon Eridani 64, 66

  equinoxes 8, 133, 137, 226–8

  Erta Ale volcano, Ethiopia 138

  eternal universe 2, 5, 6, 52, 207

  Ethiopia 125, 130, 138, 139, 143, 166, 193, 194

  Euclid 160, 232

  eukaryotes 109, 110, 111–12, 113, 118

  Europa 38, 100, 103

  European Southern Observatory’s VLT, Chile 47, 90

  European Space Agency 231–2

  evolution, theory of 31, 52, 53, 86, 104–12, 113, 118, 126, 127, 128, 130–1, 132, 135, 138–44, 193

  existentialism 171

  exoplanets 84, 88, 89, 90–1, 107

  extraterrestrial life, possibility of 57–118

  F

  farming 152–5

  Fermi Paradox 62, 64, 113, 118

  Fermi, Enrico 61, 62, 64, 65, 66

  Fermilab, Chicago 160

  Feynman, Richard 35, 36, 60

  Fibonacci numbers 193

  fingerprints 81, 185–7

  ‘First Cause’ argument 169–70

  First Chkalovsk Air Force Pilots School, Orenburg 122

  Fleming, Williamina 25

  flight, birth of human 62, 117, 232

  food, oxidization of 106

  footprints, early human 131

  fossil fuels 235, 236

  fossils 105, 125, 130–1, 138, 139, 142, 150, 232, 235

  Fowler, Cary 240

  Frail, Dale 84, 87

  Friedman, William F. 63

  Friedmann, Alexander 52–4, 56

  fundamental forces/laws of nature 175, 177, 181

  G

  Gagarin, Yuri 18, 120, 122, 123–4, 156

  Gaia space telescope 22

  galaxy formation models 178

  galaxy rotation speeds 178

  Galileo 5, 9, 12, 36–9, 40, 42, 54, 160, 187

  Galilean Satellites 38

  Gamma Cassiopeia 132–3

  Gamma Cephei 134

  Gamma Velorum 133

  Gamow, George 52, 55

  Ganymede 38, 100

  gauge bosons 175, 188

  gelada baboon (Theropithecus gelada) 125, 126, 127

  General Theory of Relativity 9, 29, 43–4, 45–6, 47, 49, 51, 52, 53, 54, 168–9, 179, 182, 183, 202–3, 222

  geometry 12, 20, 22, 44, 134, 160, 195

  Gliese 445 76

  Gliese 581 86, 90

  Gliese 581-C 90

  Global Crop Diversity Trust, The 240

  gluons 175, 177, 181

  golden ratio 193

  Goldilocks Zone 86, 91, 98

  Gould, Stephen J. 53

  gravity 179, 207; dark matter and 205; Earth’s rotation and 133–4, 135, 143; eternal inflation and 205; fundamental forces and 179, 182; General Theory of Relativity 9, 29–30, 39, 43–4, 45, 47, 49, 51, 52, 53, 54, 168–9, 179, 182, 183, 202–3, 222; gravitational waves 47; Main Sequence and 97, 98; Newton’s Law of Gravity 10, 11, 12, 20, 22, 23, 29, 40, 41, 42, 44–5, 46, 47, 158, 159, 160, 182, 221, 224; orbits of three bodies under, unpredictability of 224, 227; quantum theory of 169, 179, 207; space travel and 75, 76; Standard Model and 179

  Gray, Tom 130

  Great Debate 31–4, 49

  Great Pyramid, Giza 134

  Great Silence 115

  Greeks, ancient 7, 89, 103, 133, 154

  greenhouse gases 95, 236

  Grissom, Gus 133

  Guassa Plateau 125, 127

  Guth, Alan 202

  H

  habitable zone 66, 67, 85, 86–92, 100–1

  Haise, Fred 146, 147, 149

  handprints, early cave 210, 213, 214

  Harriot, Thomas 190

  ‘Harvard Computers’ 25

  Harvard University 53; College Observatory 25

  Hat Creek Radio Observatory 66

  helium 96, 97, 98, 177, 197, 234, 235, 237

  Hertzsprung-Russell diagram 86, 96, 98, 100

 
Hertzsprung, Ejnar 27–8, 29, 96

  hieroglyphs 160–1

  Higgs Boson 177, 179, 180, 181, 182

  Higgs Field 178–9, 197, 202

  Hipparchus 133–4

  Hiroshima, nuclear attack on 61, 113, 215, 216

  Holocene period 152

  hominids, evolution of 125–44

  Homo erectus 129, 138, 139, 141, 149

  Homo floresiensis 149

  Homo habilis 129, 138

  Homo heidelbergensis 129, 139, 141

  Homo sapiens 62, 105, 118, 126, 129, 139, 141, 149, 210, 213

  homogeneity and isotropy, assumption of 52, 56, 203

  Honeysuckle Creek Tracking Station, Canberra, Australia 145

  Hooker telescope, Mount Wilson Observatory, California 33

  Hopkins, Mike 158, 166

  Horizon: ‘The Pleasure of Finding Things Out’ 35

  Horsehead Nebula 25

  Hoshide, Akihiko 219

  Hoyle, Fred 170

  Hubble Space Telescope 27

  Hubble, Edwin 26, 32–4, 49, 55

  Hubble, John 33

  Human Universe 3, 42, 72, 116, 125, 158, 219, 223, 230, 234

  humans: evolution of 31, 104–12, 113, 118, 126, 127, 128, 130–1, 132, 135, 138–44, 193; future of 209–42

  hunter-gatherers 151, 155

  Huxley, Thomas 31

  hydrogen 61, 64, 65, 66, 74, 78, 81, 93, 96, 97–8, 107, 145, 177, 191, 197, 234, 235, 237

  hydrogen bomb 61, 215

  hydrogen line, 21cm 64, 66, 74

  I

  impact events, asteroid 229

 

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