article: Astronomy
links: Galaxy Voyager 2 Andromeda galaxy Star Fourier analysis Earth Astrobiology Neptune Pulsar Planetarium Supercluster Uranus X-ray Galileo Galilei Isaac Newton Astrometry Maya civilization Saturn (planet) Mauna Kea Voyager 1 Hawaii Cassini-Huygens Radio astronomy Comet Nova Edwin Hubble Solar wind Johannes Kepler Sun Black hole Supernova Adaptive optics La Silla Observatory Satellite (natural) Solar system Variable star Milky Way Wave (physics) World War II Asteroid Bernard Lovell Middle Ages Neutron star Space observatory Meteor Eratosthenes Telescopes Ancient Greeks Nicolaus Copernicus Spectrometer Dark matter Nebula Aristarchus Planet Aurora Universe Catholic Church White dwarf Galaxy cluster Science Astrophysics Solar System Ancient Egypt