What people are saying - Write a review
We haven't found any reviews in the usual places.
COPERNICUS TO EINSTEIN
17 other sections not shown
angle Apollo 11 appear asteroids astronomical atom axis binary black hole brightness calendar called celestial bodies cloud comet constellation core Courtesy craters curve density diameter disk distance dust earth earth's atmosphere earth's surface eclipse electrons elliptical emission emitted energy equator equinox galactic gases giant Globular cluster H-R diagram Hale Observatories helium horizon hydrogen interstellar Jupiter layer light located luminosity lunar magnetic field magnitude main sequence Mars mass maximum measured meridian meteor meteorite miles Milky million moon moon's motion move nebula neutron star nucleus objects observed occur Open cluster orbit particles period photographs planet planetary PLATE pole position produced pulsar radiation radio radius region revolves rotation satellite sidereal sidereal period solar system space spectral class spectral lines spectrum sphere Spiral galaxy star's stellar sun's sunspot supernova synodic period telescope temperature tion universe Uranus variable velocity Venus visible wavelengths waves white dwarf