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oh east is west and west is east
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absolute zero acid Alaska anti-neutrino Archimedes asteroid astronomical astronomical units body Britain charge chemist consider contain course craters cubic centimeter density diameter distance Earth east electron energy equal Equation exchange particle existence fact farthest feet fluorine force fresh water galaxies gases Germany grams gravitational Greek hundred hydrogen fluoride instance Jupiter Lake land light-years mainland Mars mass massive matter means measure meson meters miles per second million Moissan mole molecules Moon Moon's Mount Everest mountain muon nation negative muon neutrinos neutron star nuclear nucleus Observable Universe Ocean orbital velocity osmium oxygen parsecs percent period of revolution physicist pion planet population positive muon positron prediction pressure protons pull radius rotation satellite science fiction solar system South speed square miles story Sun's Suppose surface Table temperature tidal bulges tides tion uncertainty principle United volume white dwarf World Island