Earth's Orbit
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In astronomy, The Earth's Orbit involves the Earth orbiting the Sun, at an average distance of about 150 million kilometers, every 365.242199 mean solar days (1 sidereal year). This motion gives an apparent movement of the Sun with respect to the stars at a rate of about 1°/day (or a Sun or Moon diameter every 12 hours) eastward, as seen from Earth. On average it takes 24 hours a solar day for Earth to complete a full rotation about its axis so, that the Sun returns to the meridian. The orbital speed of the Earth around the Sun averages about 30 km/s (108,000 km/h), which is fast enough to…mehr

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In astronomy, The Earth's Orbit involves the Earth orbiting the Sun, at an average distance of about 150 million kilometers, every 365.242199 mean solar days (1 sidereal year). This motion gives an apparent movement of the Sun with respect to the stars at a rate of about 1°/day (or a Sun or Moon diameter every 12 hours) eastward, as seen from Earth. On average it takes 24 hours a solar day for Earth to complete a full rotation about its axis so, that the Sun returns to the meridian. The orbital speed of the Earth around the Sun averages about 30 km/s (108,000 km/h), which is fast enough to cover the planet's diameter (about 12,600 km) in seven minutes, and the distance to the Moon 384,000 km (238,857 mi), in four hours.