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How long one day is at mercury?

Updated: 12/12/2022
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Wiki User

12y ago

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The planet Mercury rotates very slowly, taking almost 59 Earth days to turn once (58.646 days). However, it also orbits the Sun very rapidly, about once every 88 Earth days, which combines with the slow rotation to create an unusual situation.

The solar day (sunrise to sunrise) on Mercury is 176 Earth days, or twice the length of its year! This further increases the drastic temperature extremes that the surface experiences, alternately seared for months by solar heat and then frozen for months as it turns away from the Sun.

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*Due to the tidal effects of the Sun's gravity, the equatorial rotation of Mercury is only about 10 km/hr (far slower than Earth's 1600 km/hr). This means a "day" on Mercury is about 1400 Earth hours (58.6 days).

(see the related question)

58.6461 Earth Days, rounded to 58.65 Earth Days

is the correct answer!

-lkw

That's the rotation period, also known as the "sidereal" day".

The "solar day" is 3 times longer, at about 176 Earth days.

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8y ago
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Wiki User

13y ago

Approximately 59 earth days.

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Wiki User

11y ago

58.6 Earth days

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Wiki User

12y ago

about 59 days on earth

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Wiki User

12y ago

80 days

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Anonymous

Lvl 1
4y ago

58 days and 15 hours in earth days

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Q: How long one day is at mercury?
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Related questions

How long is one day on mercury how long is one year mercury?

88 Earth Days


How long is the Mercury's day?

one day on mercury is approximetly 10 secends. one year on mercury is 80 days.


How long is the day?

one day on Mercury is approximetly 10 secends. one year on mercury is 80 days.


How long are days on Mercury?

On Mercury, one day there is equal to 58.65 days here.


How long dose it take mercury to rotate on its axis?

Exactly one Mercury day.


How long does it take for Mercury to rotate on its own axis in 1 day?

how long does it take for Mercury to rotate on its own axis IN ONE DAY


How long is a revolution for Mercury in kilometers?

one whole day of the earth day


How long are days in mercury in earth times?

one full day on mercury is 88 earth days


How long does it take for the planet mercury to rotate in one day?

59 day noy are uahppy


How long does it take for one rotation on mercury's axis?

It takes about 59 Earth days (58.66 days) for Mercury to make one rotation.However, its "day" is extended due to the extremely short orbital period of 88 Earth days : a "sunrise to sunrise" solar day is 176 Earth days long (2 Mercury years).This is the source of the saying "On Mercury, a day is twice as long as a year."


How long does mercury take for it to rotate on its axis?

It takes about 59 Earth days (58.66 days) for Mercury to make one rotation.However, its "day" is extended due to the extremely short orbital period of 88 Earth days : a "sunrise to sunrise" solar day is 176 Earth days long (2 Mercury years).This is the source of the saying "On Mercury, a day is twice as long as a year."


What is the length of Mercury's orbit in Earth days?

One year on Mercury is about 88 Earth days long, 3/4 of a Mercurian day.