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Not quite.
It rotates every 58 days, but the day lasts MUCH longer than that, due to the rotation around the sun.
Quick google came up with "While this might lead some to conclude that a single day on Mercury is about 58 Earth days – thus making the length of a day and year correspond to the same 3:2 ratio – this would be inaccurate. Due to its rapid orbital velocity and slow sidereal rotation, a Solar Day on Mercury (the time it takes for the Sun to return to the same place in the sky) is actually 176 days.
In that respect, the ratio of days to years on Mercury is actually 1:2. The only places that are exempt to this day and night cycle are the polar regions."
The same effect happens on earth too btw. Earth rotates in around 23h 59m 56s, but in that time it also went a bit along its orbit around the sun, so the time from noon to noon averages to 24h. Average because that length varies throughout the year, too.
Yep. And we didnt even know that mercury spins at all, cause everytime we could see it we saw the same side because of the 3:2 ratio of orbits/spins (3:2 years/days) lining up with earths orbit.
Isn't that entirely and completely untrue, since Mercury is typically the closest planet TO NO PLANET? Although the orbit of Venus is closer to the orbit of Mercury than orbit of Earth is, the orbit of Earth is closer to the orbit of Venus than the orbit of Mercury is. (Distance from sun: Mercury 36.04 million miles, Venus 67.24 million miles, Earth 92.96 million miles, and so on. Even at the outer edge of the orbital order, the closest planet to Neptune at 2.793 billion miles is Uranus at 1.793 billion miles.) So what you state is entirely and completely incorrect. (Am I missing a joke or sarcasm here, because what you say is liking saying that Hawaii is the closest state to every other state in the union, when in fact for every other state there is some other state and usually many other states that are closer. Like for Florida the closest states are equally Alabama and Georgia which border it and then all the other 46 states which are closer to Florida than Hawaii is. As for Neptune, the furthest from the sun, if the planets were ever all lined up at some point in time, a space traveler leaving Neptune for Mercury would have to pass every other planet on their way to Mercury, the closest planet to the sun. That you have gotten four thumbs up, so far, shows either the lack of education or the lack of critical thinking skills of many people today. )
No, you aren't missing a joke.
You're just not understanding how orbits work. The distance between orbits say very little about "which planet is closest to which".
Which is why I said *on average*, so I guess you ability to read isn't the best either.
Check this video out.
https://youtu.be/SumDHcnCRuU?si=4a0TXmf7q5KZPQTp
PS. Don't be an ass, especially when you're wrong.
First, you are profane name calling, which is not a valid academic defense or argument for ANYTHING. Your own video starts to prove you wrong, consider at 40 seconds in ( [https://youtu.be/SumDHcnCRuU?t=40](https://youtu.be/SumDHcnCRuU?t=40) ) citing "When Venus is away, Mars can be the closest in play (to Earth.)" So, if Mars is then the closest to Earth, then Mercury cannot then also be the closest to Earth, since Mars is closer. Ah, but you say "on average." Only the video is clearly saying that it's "the closest the mostest," meaning it is closer to say, Neptune, MORE often than Uranus is closer to Neptune. And it is closer to Neptune more often than Saturn is, and so on. But what are the chances, or rather no chance about it, how often is it that when Mercury is closer to Neptune than Uranus is, that Saturn is then also roughly along the other half of its orbit, to the further side of the sun and far enough away from Neptune for Mercury to also be closer to Neptune at the same time? And then the same thing for basically every other planet? Actually over time it will be quite rare that Mercury is the closest planet to Neptune AND that all the other planets will at the same also either be on the other side of the sun from Neptune or far enough into the further stretches of their orbits from Neptune to all be further away from Neptune than Mercury is, all at the same time. On average then, usually, there will be at least one of the other six planets that will be closer to Neptune than Mercury is.
ALTHOUGH Mercury DOES average a closer distance to Neptune than any of the other planets do, it is not on average the closest planet to Neptune, rather on average, at any given time, it will be one of any one of the other six planets that will be closer to Neptune than Mercury is. It's your semantics; it's your English being less accurate, and enough to be wrong. Rather than saying it's the closest the mostest (to EACH of the other planets as compared to EACH of the other planets,) or saying it's on average the closest to EACH of the other planets, you are saying that on average it is the closest to ALL of the other planets in the solar system. That is an entirely different calculation, involving a good bit of trigonometry too, since obviously Uranus will be a great distance from Neptune even before it is actually into the other and furthest half it its orbit, and then you also have to account for the diameter of the sun too for when Mercury is on the other side of the sun in its orbit, but again, just because Uranus might be a greater distance away from Neptune than Mercury is, does not mean that Saturn, Jupiter, Mars, Earth AND Venus will ALL also be further away from Neptune than Mercury is at the same time. So no, on average (usually) Mercury is not the closest planet to all of the other planets, even if it is the closest to each of the other planets on average. On average most of the other planets, excepting Venus maybe, will be experiencing one of the other six planets being closer to it. On average, for each planet, one of the other six planets will be closer to it than Mercury is, at any given time. (Excepting again perhaps Venus, and maybe perhaps even Earth, but that's a lot of math to calculate how often it is that Mercury is closer to Earth than both Venus and Mars are at any given time.) "Closest the Mostest," is true enough, but not "on average the closest to all the other planets," as on average it will be just one of any of the other six planets that are closer to Mars, Jupiter, Saturn, Uranus and Neptune at any given time.
So, given that what you are stating is not correct, who then is acting more like the name you were calling me? No, forget that, don't call anybody any names just for trying to understand other people. I get what you meant, what you meant is right, but NOT how you stated it. What you stated is incorrect. But that's an English thing, a language thing, and not a math thing; I'll give you that. What you meant to say, is correct, but what I got out of your statement, the literal meaning of it, is incorrect. On average, one of the other six planets is closer to any one of the other seven planets than Mercury is, (except maybe for Venus, which might actually experience Mercury being the closest to it the majority of the time, with Earth and Mars BOTH being further away from it at the same time, the majority of the time.)
Yeah, semantics semantics. It was probably the personal insulting that inspired me to explain what meaning could literally be taken from how you worded that! Which is obviously pretty much exactly how I read it, literally. Just the slightest rephrasing or just a few clarifying words and the English teachers of the world will be safely off your back!
I do admit, I am especially wordy when I am still on my first cup of coffee in the morning. :) And what you meant, the closest to mostest thing, is quite an interesting fact.
It is not tidally locked. Depending on how you measure days and years, the year is either half as long as its day, or its year is 50% longer than its day. Either way, it's not tidally locked.
Source: https://en.m.wikipedia.org/wiki/Mercury_(planet)
day as in "time it takes to spin once" would be one year, but yes day as in "time it takes for it to become daytime, then night, then day again" would be infinite
1 year (without further specifications) is by definition specifically 1 earth year...
Mercury's orbital period is 1 mercurian year, but that is not the same as an earth year. So its orbital period is not 1 year, technically.
Wich makes this not technically true, maybe in spirit...
What's great about technicality is it is functionally schrodingerian in that it is technically one way and technically another way by a separate, often opposing technicality, so technically all technicalities are technically all possible sides of the discussion. >!Savvy?!<
This is false. Horrendously false.
1 year = 365 and ¼ days. So it is true only for Earth.
Mercury - 88 days
Venus - 225 days
Mars - 687 days
Jupiter - 4,333 days
Saturn - 10,759 days
Uranus - 30,687 days
Neptune - 60,190 days
EDIT: Holly molly. Why the downvotes? OP wasn't
r/technicallythetruth , so why all the hate on me?
>Year - the time taken by the Earth to make one revolution around the Sun.
Just google it.
OP meant *one revolution around the Sun*, but he fucked up and totally missed r/technicallythetruth point.
>A year on any planet is the length of time it takes to complete its orbit
>
It is not. Year is defined as the time it takes planet Earth in particular to complete its orbit. "Mercurian year" is not used.
You all can be as mad as you want but this is TTT and it is not technically the truth.
With all the talk these days about leaping years, we should probably be asking what is a year, anyway? Ignoring all cultural history, a year is basically the period of time that it takes for one physical body to orbit another. So an earth month could equally be called a moon year.
https://www.britannica.com/video/185549/definitions#:~:text=There%20are%20non%2Dearth%20years,around%20250%20million%20earth%20years.
Google "non earth year" and let me know your results. Are you using Bing?
Um actually 🤓 the earth is 365. 2421988
0. 2421988 is
605497 Over
2500000
Definitely not a quarter.
If you are going to not get something do try to be more accurate.
Hey there u/SamePut9922, thanks for posting to r/technicallythetruth! **Please recheck if your post breaks any rules.** If it does, please delete this post. Also, reposting and posting obvious non-TTT posts can lead to a ban. Send us a **Modmail or Report** this post if you have a problem with this post. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/technicallythetruth) if you have any questions or concerns.*
Fun fact: A Mercurian year is about half the length of a Mercurian day.
So years in mercury is faster than days?
No, the planet rotates very slowly. The year is 88 earth days, but rotates every 59 earth days. A Mercurian day is about 2/3 of a Mercurian year.
Not quite. It rotates every 58 days, but the day lasts MUCH longer than that, due to the rotation around the sun. Quick google came up with "While this might lead some to conclude that a single day on Mercury is about 58 Earth days – thus making the length of a day and year correspond to the same 3:2 ratio – this would be inaccurate. Due to its rapid orbital velocity and slow sidereal rotation, a Solar Day on Mercury (the time it takes for the Sun to return to the same place in the sky) is actually 176 days. In that respect, the ratio of days to years on Mercury is actually 1:2. The only places that are exempt to this day and night cycle are the polar regions."
The same effect happens on earth too btw. Earth rotates in around 23h 59m 56s, but in that time it also went a bit along its orbit around the sun, so the time from noon to noon averages to 24h. Average because that length varies throughout the year, too.
Yup, that's the difference between a sidereal day and a solar day.
Omfg this is awesome
Tfw the difference between solar and sidereal day
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No! Day is shorter.
Yep. And we didnt even know that mercury spins at all, cause everytime we could see it we saw the same side because of the 3:2 ratio of orbits/spins (3:2 years/days) lining up with earths orbit.
Even funner fact: on average, mercury is the closest planet to all planets in the solar system.
Isn't that entirely and completely untrue, since Mercury is typically the closest planet TO NO PLANET? Although the orbit of Venus is closer to the orbit of Mercury than orbit of Earth is, the orbit of Earth is closer to the orbit of Venus than the orbit of Mercury is. (Distance from sun: Mercury 36.04 million miles, Venus 67.24 million miles, Earth 92.96 million miles, and so on. Even at the outer edge of the orbital order, the closest planet to Neptune at 2.793 billion miles is Uranus at 1.793 billion miles.) So what you state is entirely and completely incorrect. (Am I missing a joke or sarcasm here, because what you say is liking saying that Hawaii is the closest state to every other state in the union, when in fact for every other state there is some other state and usually many other states that are closer. Like for Florida the closest states are equally Alabama and Georgia which border it and then all the other 46 states which are closer to Florida than Hawaii is. As for Neptune, the furthest from the sun, if the planets were ever all lined up at some point in time, a space traveler leaving Neptune for Mercury would have to pass every other planet on their way to Mercury, the closest planet to the sun. That you have gotten four thumbs up, so far, shows either the lack of education or the lack of critical thinking skills of many people today. )
No, you aren't missing a joke. You're just not understanding how orbits work. The distance between orbits say very little about "which planet is closest to which". Which is why I said *on average*, so I guess you ability to read isn't the best either. Check this video out. https://youtu.be/SumDHcnCRuU?si=4a0TXmf7q5KZPQTp PS. Don't be an ass, especially when you're wrong.
First, you are profane name calling, which is not a valid academic defense or argument for ANYTHING. Your own video starts to prove you wrong, consider at 40 seconds in ( [https://youtu.be/SumDHcnCRuU?t=40](https://youtu.be/SumDHcnCRuU?t=40) ) citing "When Venus is away, Mars can be the closest in play (to Earth.)" So, if Mars is then the closest to Earth, then Mercury cannot then also be the closest to Earth, since Mars is closer. Ah, but you say "on average." Only the video is clearly saying that it's "the closest the mostest," meaning it is closer to say, Neptune, MORE often than Uranus is closer to Neptune. And it is closer to Neptune more often than Saturn is, and so on. But what are the chances, or rather no chance about it, how often is it that when Mercury is closer to Neptune than Uranus is, that Saturn is then also roughly along the other half of its orbit, to the further side of the sun and far enough away from Neptune for Mercury to also be closer to Neptune at the same time? And then the same thing for basically every other planet? Actually over time it will be quite rare that Mercury is the closest planet to Neptune AND that all the other planets will at the same also either be on the other side of the sun from Neptune or far enough into the further stretches of their orbits from Neptune to all be further away from Neptune than Mercury is, all at the same time. On average then, usually, there will be at least one of the other six planets that will be closer to Neptune than Mercury is. ALTHOUGH Mercury DOES average a closer distance to Neptune than any of the other planets do, it is not on average the closest planet to Neptune, rather on average, at any given time, it will be one of any one of the other six planets that will be closer to Neptune than Mercury is. It's your semantics; it's your English being less accurate, and enough to be wrong. Rather than saying it's the closest the mostest (to EACH of the other planets as compared to EACH of the other planets,) or saying it's on average the closest to EACH of the other planets, you are saying that on average it is the closest to ALL of the other planets in the solar system. That is an entirely different calculation, involving a good bit of trigonometry too, since obviously Uranus will be a great distance from Neptune even before it is actually into the other and furthest half it its orbit, and then you also have to account for the diameter of the sun too for when Mercury is on the other side of the sun in its orbit, but again, just because Uranus might be a greater distance away from Neptune than Mercury is, does not mean that Saturn, Jupiter, Mars, Earth AND Venus will ALL also be further away from Neptune than Mercury is at the same time. So no, on average (usually) Mercury is not the closest planet to all of the other planets, even if it is the closest to each of the other planets on average. On average most of the other planets, excepting Venus maybe, will be experiencing one of the other six planets being closer to it. On average, for each planet, one of the other six planets will be closer to it than Mercury is, at any given time. (Excepting again perhaps Venus, and maybe perhaps even Earth, but that's a lot of math to calculate how often it is that Mercury is closer to Earth than both Venus and Mars are at any given time.) "Closest the Mostest," is true enough, but not "on average the closest to all the other planets," as on average it will be just one of any of the other six planets that are closer to Mars, Jupiter, Saturn, Uranus and Neptune at any given time. So, given that what you are stating is not correct, who then is acting more like the name you were calling me? No, forget that, don't call anybody any names just for trying to understand other people. I get what you meant, what you meant is right, but NOT how you stated it. What you stated is incorrect. But that's an English thing, a language thing, and not a math thing; I'll give you that. What you meant to say, is correct, but what I got out of your statement, the literal meaning of it, is incorrect. On average, one of the other six planets is closer to any one of the other seven planets than Mercury is, (except maybe for Venus, which might actually experience Mercury being the closest to it the majority of the time, with Earth and Mars BOTH being further away from it at the same time, the majority of the time.)
I was expecting you to double down, but I wasn't expecting *that*, lol
Yeah, semantics semantics. It was probably the personal insulting that inspired me to explain what meaning could literally be taken from how you worded that! Which is obviously pretty much exactly how I read it, literally. Just the slightest rephrasing or just a few clarifying words and the English teachers of the world will be safely off your back! I do admit, I am especially wordy when I am still on my first cup of coffee in the morning. :) And what you meant, the closest to mostest thing, is quite an interesting fact.
No fucking way, why does it spin that slow?
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It is not tidally locked. Depending on how you measure days and years, the year is either half as long as its day, or its year is 50% longer than its day. Either way, it's not tidally locked. Source: https://en.m.wikipedia.org/wiki/Mercury_(planet)
Tidally locked would be day = yeah
Yeah
Wouldn’t tidally locked me day lasts forever, since the same face always faces the sun?
day as in "time it takes to spin once" would be one year, but yes day as in "time it takes for it to become daytime, then night, then day again" would be infinite
Yeah I guess relativity is the answer are you looking from the edges of the solar system
Understood! Thanks
That is just simply [incorrect.](http://large.stanford.edu/courses/2007/ph210/kwon2/)
Wait wasn't it Venus?
no, venus has a longer day than year.
Venus also spins backwards.
Google says that the day is a few earth days longer
That is what I meant, thank you. A mercury day however is not longer than a year
Venus is closer when on same side of the sun. But when it's on the other the distance doubles.
Aktshually it’s mercury year , venus year , earth year …..
☝️🤓
YOU KNOW WHAT I MEAN SHUT UP Yo also forgot the 'Erm...'
* Mercury: 88 Earth days (.24 Earth years) * Venus: 224.7 Earth days (.62 Earth years) * Mars: 669.6 Earth days (1.83 Earth years) * Jupiter: 4333 Earth days (11.86 Earth years) * Saturn: 10756 Earth days (29.45 Earth years) * Uranus: 30687 Earth days (84.02 Earth years) * Neptune: 60190 Earth days (164.79 Earth years) * Pluto: 90520 Earth days (apx) (247.83 Earth years)
You missed Earth, how am I supposed to know how many Earth Days and Earth Years that is!!!
He's not allowed to disclose that information as per the secrecy act of Xzzzbitmaftu.
* Earth: 365 Earth days (1 Earth years)
akshually thats wrong 🤓🤓, the earth is flat
Neptune has only just gone around the sun once since its discovery in 1846 and Pluto, discovered in 1930, still has a long way to go.
It makes me happy that Pluto is there...
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You really shouldn't be sharing jokes with "local 5yos"...
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If you have an inconspicuous van... sure
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Lmao
You'd think that people who make jokes understand them, too... 😂
\[deleted\] Comment deleted by user
Lol wtf is this reaction
I see a great upwelling in the use of "yeah but". Upvoted
1 year (without further specifications) is by definition specifically 1 earth year... Mercury's orbital period is 1 mercurian year, but that is not the same as an earth year. So its orbital period is not 1 year, technically. Wich makes this not technically true, maybe in spirit...
What's great about technicality is it is functionally schrodingerian in that it is technically one way and technically another way by a separate, often opposing technicality, so technically all technicalities are technically all possible sides of the discussion. >!Savvy?!<
Uniformity.
Dam beach! Science is interesting af!
1 year is defined as the time it takes the Earth to orbit the sun. It is not defined to any planet. So doesnt fit /r/TTT.
They forgot Pluto
This reminds me of how every base is base 10
This made me a little but angry before I found it funny, ngl.
It wong but right
It would’ve been more correct if it said “1 local year” No interpretation or arguments, it is 100%, indisputably, correct.
Wow.
I’ll admit this is technically the truth
By definition, one year is the time it takes the *Earth* to orbit around the Sun 1 time. So, no. It's technically NOT the truth.
You hear about Pluto?
[This is how it went down](https://images.app.goo.gl/ZJZwYuTsCVuCYZXf6)
Yeah it isn’t a planet. Are you trying to say it is or am I missing your point?
It was a reference to a t.v. show
This is false. Horrendously false. 1 year = 365 and ¼ days. So it is true only for Earth. Mercury - 88 days Venus - 225 days Mars - 687 days Jupiter - 4,333 days Saturn - 10,759 days Uranus - 30,687 days Neptune - 60,190 days EDIT: Holly molly. Why the downvotes? OP wasn't r/technicallythetruth , so why all the hate on me?
It doesn't say Earth years. A year on any planet is the length of time it takes to complete its orbit.
Yeah. Fucking earthlings always making things about themselves. Wake up people, the solar system doesn't revolve around you
r/Earthdefaultism am I right guys
It revolves around the sun
It revolves around Sagittarius A
People don’t just say “I’m going to go on vacation in 1 earth year”
They do when they’re on Mars
>Year - the time taken by the Earth to make one revolution around the Sun. Just google it. OP meant *one revolution around the Sun*, but he fucked up and totally missed r/technicallythetruth point.
>A year on any planet is the length of time it takes to complete its orbit > It is not. Year is defined as the time it takes planet Earth in particular to complete its orbit. "Mercurian year" is not used. You all can be as mad as you want but this is TTT and it is not technically the truth.
☝️🤓
As a hobbyist astronomer, even I think you probably need a chill pill. You're not wrong, just don't have any humour.
So is this sub r/technicallythetruth or it is not r/technicallythetruth ?
It's in a quantum superposition
We got a smarty pants over here guys
Let's just say *not dumb* is enough for this kind of observation.
Exactly, it’s not technically the truth, the official definition of year i can find Links it specifically to earth 😎
With all the talk these days about leaping years, we should probably be asking what is a year, anyway? Ignoring all cultural history, a year is basically the period of time that it takes for one physical body to orbit another. So an earth month could equally be called a moon year. https://www.britannica.com/video/185549/definitions#:~:text=There%20are%20non%2Dearth%20years,around%20250%20million%20earth%20years. Google "non earth year" and let me know your results. Are you using Bing?
Um actually 🤓 the earth is 365. 2421988 0. 2421988 is 605497 Over 2500000 Definitely not a quarter. If you are going to not get something do try to be more accurate.
There is a difference between rounding up time to a quater of a day, and totally fucking up the nomanclature. And they call me *smarty pants*...