The Solar System

Planet Distance From the Sun (AU*), Planet Equitorial Radius & Percent of Earth's Radius

Planet Astronomical Units Equitorial Radius Percentage of Earth's
 
Mercury 0.3872 1,515.5 miles 0.3824
Venus 0.7233 3,760.5 miles 0.9489
Earth 1 3,963.1 miles 1
Mars 1.5237 2,110.79 miles 0.5326
 
Jupiter 5.2028 44,364.6 miles 11.194
Saturn 9.5388 37,282.2 miles 9.41
Uranus 19.1914 16,245.7 miles 4.1
Neptune 30.0611 15,099.3 miles 3.8
Pluto 39.5294 932.0 miles 0.4

* 1 astronomical unit = 93 million miles (92,955,807.3 miles)

The equatorial and polar diameter of the Sun differ by only 6.2 miles. The mean radius of the Sun is 432,450 miles.
432,450 / 3963.1 = 109.119 that of Earth.

Planetary Movement -

The Earth completes one revolution around the Sun every 365,256 days, traveling 584 million miles at an orbital speed averaging 67,000 miles per hour.
Earth rotates once every 23 hours, 39 minutes and 4.1 seconds, spinning 1,040 miles per hour at the equator.

The moon is 238,855 miles from the Earth (0.002569 AU), and rotates only once per revolution.

Mercury revolves around the Sun every 88 days and rotates once every 58.64 days.
Venus revolution: 224.7 days -- rotates (retrograde) every 243 days.
Mars revolution: 668 days -- rotates every 24 hours, 39 minutes.

It takes Jupiter 11.86 years to revolve around the Sun. Each day on the planet is only 9.92496 (Earth) hours long. It is the fastest known rotating body in the solar system.

 

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