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The cosmic connection
Measuring the infinite
Space and time in crisis
52 other sections not shown
astronomers atoms becomes big bang big bang singularity billion billion billion black hole body causality centre chapter collapsing star compressed cosmic censor cosmos curved cylinder distance distortion Earth edge effect Einstein's elastic electric charge electromagnetic electron energy envisage event horizon example existence expansion experiment explosion fact fall faster finite force fractions galaxies gravitational collapse gravity happens heat idea infinity influences inside inverse square law inwards kilometres light cones light pulses light rays material mathematical matter motion naked singularity natural numbers negative mass neutron star nuclear nucleus object occur orbiting outward-directed light Penrose physical physicists predict proton quantum quasars radiation region represents rocket rotating Schwarzschild radius sheet shown in Fig shrink Sitter space slice solar masses sort spacetime diagram spacetime singularities speed of light sphere spherical subatomic particles temperature theorem theory of relativity topology trapped surface vertical wavelength waves whole numbers world line zero