The Universe: From Flat Earth to Quasar |
Contents
CHAPTER 1 The Earth | 13 |
CHAPTER 2The Solar System | 22 |
The Stars | 34 |
Copyright | |
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actually Andromeda galaxy Andromeda Nebula angular momentum astronomer big bang bright century Cepheid close contraction core cosmic egg cosmic rays Crab Nebula detected determined diameter direction distance dust and gas Earth electrons emitted energy eons existence explosion fact finite fusion globular clusters gravitational field Greek helium helium-4 Herschel Hubble's hydrogen infinite infrared interstellar Jupiter kilometers per second light light-years luminosity luminous Magellanic Clouds magnetic field magnitude main sequence mass massive matter microwave emission miles Milky million Moon moving neutrinos neutron novae nuclear reactions nucleus objects observed orbit ordinary parallax particles percent period photons physicist planetary planets produced proper motion quantity quasars radial velocity radiation radio sources receding red shift region relatively rotation seemed Shell Sirius Solar system space spectral class spectral lines spectrum sphere spiral arms stars steady-state stellar Sun's supernova suppose surface telescope temperature theory tion Universe Venus visible wavelengths white dwarf X-rays