11 pages matching Uranus in this book
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Andromeda Andromeda Galaxy appear asteroids astronomers atmosphere Big Bang black hole called celestial sphere clouds collapse color comet constellations core cosmic craters crust dark Diameter at equator discovered disk dwarf Earth eclipse energy galaxies gas and dust giant gravity Halley's comet heavenly bodies heavens helium Hubble Space Telescope hydrogen images Jupiter KEY WORDS known latitude layer light light-years lines look lunar magnitude main sequence Mars Martian mass Mercury meteorite methane miles Average distance million mirror moon naked eye nebulae Neptune night sky Northern Hemisphere Observatory observing open clusters orbit Orion outer particles planet Pluto Pole proplyds pulsars radiation radio waves red giant reflector refractor regions rings rock rotation satellite Saturn shining skies solar system Southern space probe spectral spectrum speed Spins on axis spiral spotted star's stargazing Summer Triangle sun's supergiant supernova surface temperature tiny universe Uranus Venus visible volcanoes Voyager