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Revolution VS Rotation By: Ulrich Torres Rotation of The Earth • Rotation means “to spin”. • Earth rotates on its axis,an imaginary line going through the center of the earth from the north pole to the south pole. • Earth completes 1 rotation every 24 hours. • The Earth rotates counterclockwise. • The speed of rotation is 24,855 miles/24hr or 1,038 miles/hr. Revolution • Revolution (Orbit) means “to go around something” • It takes the Earth 1 year (365.25 days = 8,766 hrs) to revolve around the sun. • The Earth also revolves counterclockwise around the sun. • The speed of the Earths revolution is about 18 miles per second. Summary • Rotation - The Earth spinning on its own axis • Rotation speed- 24,855 miles/24hr or 1,038 miles/hr • Revolution – The Earth revolves (spins around) the sun • Revolution speed -18 miles/sec. Fun Facts • We are all moving at a speed of up to 1,674 km/hr thanks to the earths rotation. • Due to gravitational interactions with the moon,the Earth’s rotation is gradually slowing down. • Around the beginning of Earths formation a day lasted about 13 or 14 hours instead of 24. • Every year the Moon moves about 1.6 inches out from its orbit around the earth. • You are carried about 18 miles through space every second due to the orbital motion of the Earth. THE END! References • • • • http://listverse.com/2012/01/07/top-10-facts-about-earth-and-its-orbit/ http://www.slideshare.net/awboan/rotation-vs-revolution https://en.wikipedia.org/wiki/Rotation http://www.differencebetween.net/science/difference-betweenearth%E2%80%99s-rotation-and-revolution/ • http://www.windows2universe.org/the_universe/uts/earth2.html • http://www.deviantart.com/ • http://solarsystem.nasa.gov/planets/earth
