Science Fact Finder | Space - Is A Day The Same On All Planets?

Is a day the same on all planets?

No. A day, the period of time it takes for a planet to make one complete turn on its axis, varies from planet to planet. A day on Venus, Mercury, and Pluto is several times longer than a day on Earth. A Martian day is closest in length to our own. The rest of the planets have shorter days than we do.

...

		Length of Day
Planet	Earth Days	Hours	Minutes
Mercury	58	15	30
Venus	243		32
Earth		23	56
Mars		24	37
Jupiter		9	50
Saturn		10

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