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Does mercury or Venus have very long periods of day and night due to rotation time?
Wiki User
∙ 11y ago
No. But a solar day (sunrise to sunrise) is longer than its orbital period -- in fact it is exactly twice as long. Due to Mercury's 3:2 spin-orbit resonance, a solar day (the length between two meridian transits of the Sun) lasts about 176 Earth days. The orbital period around the sun is about 88 days.
A sidereal day (the sidereal period of rotation), lasts about 58.7 Earth days.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoMercury has the longest apparent days and nights, due to its slow spin and its rotation around the sun.
It spins very slowly on its axis, once every 58.6 days relative to background stars. A solar (apparent) day on Mercury takes 176 days though, because of this slow spin relative to the time taken to orbit (88 days).
Wiki User
∙ 11y agoIt has a very slow rotation on its axis, therefore making the night and day cycle very long. However, Mercury has even longer days and nights.
Although Venus takes longer to rotate than Mercury it rotates in the opposite direction. The result is that Mercury has a longer day ( "solar day") than
Venus.
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What is the classification of Venus?
Planets that are located inside the orbit of Earth are classified as inferior planets, and these include Venus and Mercury. After the Moon, Venus is the brightest object in the night sky.
Why is mercury not hotter then Venus?
Mercury is less hotter than Venus because it has a thin atmosphere and the heat that is attracted during day time goes away at night and the temperature becomes -170 degrees while Venus has a thick atmosphere and does not allow heat to pass.
Why is mercury called the morning star and the evening star?
Mercury is called the morning star and the evening star because it can be seen during the day and the night. Venus can also be seen in the day and night too.
What is the temperature like on the inner planets?
Mercury: in the day about 700K at night about 100K Venus : All the time about 735K A more interesting question you should be asking yourself right now is: Why is Venus hotter than Mercury when it is further from the sun?
Why is Earth not as hot as Mercury and Venus?
Earth is farther from the sun than Mercury and Venus, and so recieves kess energy from the sun. Compared with Venus, Earth also has a lot less carbon dioxide in its atmosphere, so it does not hold heat as easily. Since Mercury has almost not atmosphere to hold in heat, the night side of the planet is actually extremely cold.
What is mercury's rotation per night and day?
The rotation period of Mercury is 58.65 days.
What planet exhibits reverse rotation?
Venus is the planet that exhibits reverse rotation. After the Moon, the planet Venus is the brightest object in the sky at night.
In the mercury night sky the brightest object would be?
Venus
Which planet has the longest cycle of day and night?
The planet is Mercury. (Some people think it is Venus, but it is Mercury.)
The adage A night with Venus and a lifetime with mercury refers to what disease?
Syphilis
Characteristic of Mercury and Venus due to their close proximity to the sun?
Heat is the common denominator of Mercury and Venus. While Venus remains around 800 degrees, Mercury changes from extremely hot to extremely freezing, depending on which side is facing the Sun. Unlike Venus, Mercury does not have enough of an atmosphere to keep the heat in at night.
How long are the days on Venus's and mercury?
117 earth days is equal to 1 Venus day. (including night time.) Mercury's day is the equivalent to 176 earth days.
What is the classification of Venus?
Planets that are located inside the orbit of Earth are classified as inferior planets, and these include Venus and Mercury. After the Moon, Venus is the brightest object in the night sky.
What planet is the brightest at night?
The brightest planet at night, depending on phase, is Venus. Jupiter and Mars can be a close second, depending on the season.
Why does neither Venus nor Mercury appear high in the night sky?
Both Mercury and Venus orbit close to the Sun (relative to us and the other planets) therefore they would only be visible close to the Sun. This means that Venus and Mercury will only be seen after sunset (and then set) or after sunrise (and then be out-shined by the Sun)
Why is mercury not hotter then Venus?
Mercury is less hotter than Venus because it has a thin atmosphere and the heat that is attracted during day time goes away at night and the temperature becomes -170 degrees while Venus has a thick atmosphere and does not allow heat to pass.
Why is mercury called the morning start and the evening star?
Mercury is called the morning star and the evening star because it can be seen during the day and the night. Venus can also be seen in the day and night too.
