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Experiment of Liquefaction with PET bottle Spectroscope with Empty Can Break a Candy Bag with Vacuum Vessel Sucked Up Effect of Sea Surface Globe of Diurnal Motion Centrifugal Force and Spheroid Temperature Distribution in Troposphare Feel the Spread of the Solar System Which Direction the Planet Looks? Layer Structure of Inner Earth by Density Apparent Motion of Planets Size of the Sun and Orbit of the Earth |