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My Inner Planets. By Lizbeth Rafael. M ercury. The diameter of Planet Mercury is 4,878 km. A year in Mercury is equal to 87.97 Earth Days. Mercury’s maximum distance from the Sun = 43.5 million miles. Source: http://planetfacts.org/. V enus.
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My Inner Planets By LizbethRafael
Mercury • The diameter of Planet Mercury is 4,878 km. • A year in Mercury is equal to 87.97 Earth Days. • Mercury’s maximum distance from the Sun = 43.5 million miles. Source: http://planetfacts.org/
Venus • . The orbital speed of Venus is 35 km per second. • Minimum distance of Venus from the Earth is 25 million miles. • The diameter of Venus is 7,522 miles. Source:http://planetfacts.org/
Earth • The Diameter of the Earth is 7,926 miles. • The earth’s orbital speed is 29.8 km per second. • Earth has an average surface temperature of 13 degrees 55.4 degrees F. Source: http://planetfacts.org
Mars • Mars maximum distance from the Sun = 155 million miles. • Asaph Hall discovered both of Mars’ moons, Phobos and Deimos in August 1877. • A day in Mars is equal to 24.6 Earth Hours. Source: http://planetfacts.org