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A solar day is 24 hours whereas a sidereal day is 23 hours and 56 minutes
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What is longer a sidereal day or solar day?
a solar day
How is a solar day different from a sidereal day?
A solar day is 24 hours whereas a sidereal day is 23 hours and 56 minutes
Which is used for our clocks Sidereal or solar day?
Solar day is typically used for our clocks and calendars, as it is based on the Earth's rotation relative to the sun. Sidereal day, on the other hand, is based on the Earth's rotation relative to distant stars.
Is the difference between the length of a solar and sidereal day caused by revolution?
Yes.
What fraction of a year in a day?
A solar day is approx 100/36526 solar days.
What is the length of day of the planet Venus?
It is about 117 Earth days (for the "solar day") or 243 Earth days (for the "sidereal day").
What planets days is more than half as long as its years?
The "Solar day" on Venus. Or, the "Sidereal day" on Mercury.
What planet has the second shortest day?
Mercury has the 2nd longest "sidereal day" with a sidereal rotation period of 58.646 Earth days. The longest "sidereal day" day is Venus, with a sidereal rotation period of 243.018 Earth daysIf you use the "solar day" as your definition of "day", the order is reversed. Mercury then has the longest day and Venus has the second longest day.
Is a sidereal day longer or shorter than a solar day?
The Sun crosses the meridian (the imaginaryline in the sky from due north to due south and passing directly overhead) at solar noon. The period between two successive solar noons is a "solar day". When you reckon the period of time between two successive meridian transits of a distant star, or the vernal equinox, that is a "sidereal day". In simple terms the sidereal day is the rotation period of a planet.
How many hours on mercury in a day?
A mercury day (sidereal rotation period) is 58.646 earth days = 1407.5 hours.
Why is a solar day 4 minutes longer than a sidereal day?
A solar day is approximately 24 hours long, while a sidereal day is about 23 hours and 56 minutes. The difference arises because the Earth not only rotates on its axis but also orbits around the Sun. As the Earth moves in its orbit, it must rotate slightly more than one full turn for the Sun to return to the same position in the sky, resulting in the solar day being about 4 minutes longer than the sidereal day.
What is the length of a day for all of the planet to planet?
There are two main definitions of "day" for a planet:1) Sidereal day. That's the time taken to rotate once.2) Solar day. That's the time taken for the Sun to complete one apparent journeyaround the sky. Usually it's given as the "mean solar day", which is the average value.The solar day depends on the planet's orbital motion, as well as its rotation.Here are the details, with slight approximations:Mercury : sidereal day, 58.65 Earth dayssolar day, 175.94 Earth daysVenus: sidereal day, 243.02 Earth dayssolar day, 116.75 Earth daysEarth: sidereal day, 23.934 hourssolar day, 24.000 hoursMars: sidereal day, 24.623 hourssolar day, 24.660 hoursFor these planets both days are nearly the same length:Jupiter: 9.92 hoursSaturn: 10.66 hoursUranus: 17.24 hoursNeptune: 16.11 hours
