Thread: what's the name of a solar day on other planets?

Hello,
if i've understood correctly, a solar day on Mars is called- "sol".
are there any specific names for solar days on other planets, such as Jupiter or Venus for instance?
or either "sol" is just a name for a solar day on a planet, not specifically on Mars?

thank you

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Originally Posted by Inb

f i've understood correctly, a solar day on Mars is called- "sol".
are there any specific names for solar days on other planets, such as Jupiter or Venus for instance?
or either "sol" is just a name for a solar day on a planet, not specifically on Mars?

"Sol" is only used to avoid possible confusion between an Earth day and a Martian day when both are used (e.g. because the crew running the mission on Mars are all on Earth and the number of days into the mission is not the same as the number of sons). It is not specific to Mars, so I assume the same would be used if there is ever a landing on another planet.

Hard to see when this would occur, though: Venus is too inhospitable for a landing craft to last more than a few minutes, Mercury is tidally locked to the Sun (I think), and the other rocky planets (and moons) are so fanout that there would be no need to distinguish day and night. The Sun would not be much more than a rather bright star in the sky.

Originally Posted by Strange

Originally Posted by Inb

f i've understood correctly, a solar day on Mars is called- "sol".
are there any specific names for solar days on other planets, such as Jupiter or Venus for instance?
or either "sol" is just a name for a solar day on a planet, not specifically on Mars?

"Sol" is only used to avoid possible confusion between an Earth day and a Martian day when both are used (e.g. because the crew running the mission on Mars are all on Earth and the number of days into the mission is not the same as the number of sons). It is not specific to Mars, so I assume the same would be used if there is ever a landing on another planet.

Hard to see when this would occur, though: Venus is too inhospitable for a landing craft to last more than a few minutes, Mercury is tidally locked to the Sun (I think), and the other rocky planets (and moons) are so fanout that there would be no need to distinguish day and night. The Sun would not be much more than a rather bright star in the sky.

Mercury does not keep one side to the Sun, but rather has a tidally locked 3:2 resonance between rotation and orbit. As a result, its solar day is equal to 1/2 its orbital period.

While Jupiter is a bit over 5 times further from the Sun than the Earth is and gets only 1/27th the light intensity, in direct sunlight, this is still brighter than the amount of light we get on an overcast day or the lighting in a typical TV studio. At Saturn, the intensity has dropped to 1/91, but even that only drops the light levels down to that of typical office lighting. Even as far out as Neptune, the lighting levels in direct sunlight would be about the same as typical living room lighting. So even this far out, there would be a noticeable difference between night and day.