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Dark Grey Planet 01 (第1/3页)
Dark Grey P 01
Dark Grey P 01 Warm, cold and hot near the stars, Four seasons of spring, summer, autumn and winter, The billowing dust y, Yin and Yang all things turn into virtual clouds. The age of the universe is 13.8 billion years, and the diameter is about 93 billion light-years The Pisces-Cetus Supercluster plex is 1 billion light-years long and 150 million light-years wide. The Laniakea super gaxy has a diameter of 520 million light-years and tains 100,000 gaxies. The Virgo Supercluster is 100 million light-years in diameter and tains 47,000 gaxies. The Local Group of Gaxies is 10 million light-years in diameter and tains 50 gaxies The Andromeda Gaxy is 220,000 light-years in diameter and has 1 trillion stars. The Milky Way is 180,000 light-years in diameter and has 400 billion stars. What is the cept of light year only used units in astronomy are parsecs, astronomical units and light seds An astronomical unit is 149,597,870,700 meters A light sed is the distaraveled by light in one sed and is 299,792,458 meters. A light-year is 9,460,528,177,426.821 meters. One parsec equals 3.26 light years The speed of the earth&039; s movement around the sun is 29.79 kilometers per sed, The speed of the sun in
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