Astronomy: Fundamentals & Frontiers |
Contents
The Ancient Ideas | 5 |
Confirmation of the Copernican Theory by Galileo | 14 |
THE EARTH IN SPACE | 27 |
Copyright | |
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absorption abundance amount apparent magnitude appear approximately astronomers atmosphere atoms axis binary black hole bright carbon cepheid chromosphere cloud collisions color core crust density diameter distance Doppler earth eclipse electromagnetic electrons elements emitted energy evolution Figure force galactic globular clusters gravity H-R diagram Hale Observatories heat helium hydrogen infrared intensity interior interstellar Jupiter light light-years luminosity luminous lunar magnetic field magnitude Main Sequence Mars mass massive stars matter measured meteorite miles Milky million mirror molecules moon moon's motion moving nebula neutron star nuclear reactions nucleus object Observatories Fig observed orbit parallax particles photograph photons planet plate quasars radiation radio waves radioactive radius rays red giant region relatively rock rotation satellite Seyfert galaxies solar system space spectral lines spectrum spiral galaxy star's stellar stellar evolution sun's sunspot supernova surface temperature telescope theory tion ultraviolet Universe velocity Venus visible wavelengths white dwarf