What is it called when the Earth makes a complete orbit around the sun?


Quick Answer

When the Earth makes an orbit around the sun, NASA refers to it as a revolution. It takes Earth 365.25 days to make a complete revolution around the sun.

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Full Answer

The Earth is approximately 93 million miles away from the sun, and the further away a planet is from the sun, the longer it takes that planet to make a full revolution. At a distance of 36.8 million miles from the sun, Mercury only takes three months to make a complete orbit, and even though Pluto is no longer considered a planet, it's distance of about 22.7 billion miles means it takes a staggering 248 years to make a complete orbit.

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