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Someone's lying (lemmy.world)
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[-] Cyclist@lemmy.world 152 points 1 month ago

Amateur. In a dark location, on a clear night, I can see the Andromeda Galaxy, 2.3 million light years away.

[-] Davel23@fedia.io 74 points 1 month ago

Oh yeah, well I can see your mom. 2.3 million light years away. Because she's fat.

[-] Cephalotrocity@biglemmowski.win 17 points 1 month ago
[-] Davel23@fedia.io 50 points 1 month ago

She's so fat that I'm genuinely concerned for her health.

[-] Scubus@sh.itjust.works 15 points 1 month ago* (last edited 1 month ago)

Shes so fat im concerned for the higgs fields' health

[-] DarkDarkHouse@lemmy.sdf.org 12 points 1 month ago

She’s so fat I can see what’s behind her

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[-] Kazumara@discuss.tchncs.de 7 points 1 month ago* (last edited 1 month ago)

I suppose we can calculate a minimum, if we look up the smallest angle of resolution for human eyes, and approximate her as spherical.

[-] OneWomanCreamTeam@sh.itjust.works 7 points 1 month ago

Just fat enough 😋

[-] ZoopZeZoop@lemmy.world 6 points 1 month ago

She's so fat that we're worried her and the sun will form a binary star system.

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[-] Cyclist@lemmy.world 10 points 1 month ago

You can't see my mom, she's dead.

[-] Davel23@fedia.io 22 points 1 month ago

She's 2.3 million light years away. We're seeing her in the past.

[-] Crashumbc@lemmy.world 9 points 1 month ago

Of course she's dead, she's in space...

[-] Lucidlethargy@sh.itjust.works 5 points 1 month ago

Fuckin' got them! Nice.

[-] gofsckyourself@lemmy.world 15 points 1 month ago

But since the sun is 93 millions miles away it's further because the number is bigger

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[-] teft@lemmy.world 15 points 1 month ago

Triangulum Galaxy is a smidge farther away (~2.7Mly) and also naked eye visible with the right sky conditions and good eyes.

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[-] wreckedcarzz@lemmy.world 7 points 1 month ago

Smh you say on a dark place but then you say light years. If the whole year is light then how do you expect anyone to see if it has to be dark?

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[-] Alwaysnownevernotme@lemmy.world 63 points 1 month ago

Me who can see Polaris 433 light years away.

[-] absentbird@lemm.ee 17 points 1 month ago

V762 Cassiopeiae: am I a joke to you?

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[-] Shard@lemmy.world 11 points 1 month ago

I can the universe 40b light-years

[-] niktemadur@lemmy.world 8 points 1 month ago

Oh yeah? Well I can see colors!

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[-] Magister@lemmy.world 60 points 1 month ago
[-] podperson@lemm.ee 24 points 1 month ago

Must be hard to can the sun. Shit’s hot and really big.

[-] don@lemm.ee 7 points 1 month ago

Neptune: tf are you talking about

The Oort Cloud: lolwut

Interstellar medium: fuck me, it’s cold

Sagittarius A*: (chuckles softly)

Andromeda Galaxy: tf is a sun

Laniakea Supercluster: yo is that the Hercules–Corona Borealis Great Wall?? What up, homie!

Universe: gotta go fast

Can:

[-] thenextguy@lemmy.world 12 points 1 month ago
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[-] ininewcrow@lemmy.ca 39 points 1 month ago

who can the sun 93 million miles away

[-] sleen@lemmy.zip 28 points 1 month ago

I can the sun 93 million miles away

[-] LordWiggle@lemmy.world 25 points 1 month ago

Look at the sun for a while and you won't see anything ever anymore.

[-] LustyArgonianMana@lemmy.world 22 points 1 month ago

Everest can be seen 200 miles away on a clear day

[-] stringere@sh.itjust.works 8 points 1 month ago

It's 90 miles from Seattle to Mount Ranier and it absolutely dominates the horizon.

[-] warbond@lemmy.world 20 points 1 month ago

Where did you learn that? Is that a real thing people are taught?

[-] criitz@reddthat.com 58 points 1 month ago

3 miles is roughly how far you can see to the horizon (before the curvature of the earth blocks your line of sight)

https://www.omnicalculator.com/physics/distance-to-horizon

[-] Dasus@lemmy.world 18 points 1 month ago

I don't want to check miles, but it's pretty on point with what I remember, which is the horizon being 5km away for a 180cm (~6ft) tall person. (3 miles is close enough to 5km)

Getting even a few meters of something under you would drastically change how far you see.

[-] usrtrv@lemmy.ml 4 points 1 month ago

A few extra meters wouldn't be too drastic. From the top of Everest the horizon is about 300km away.

[-] Dasus@lemmy.world 19 points 1 month ago

1.8 meters sees ~4.8km. Standing on top of a car, on someone else's shoulders, at say, 5 meters, would give you eight kilometers.

Granted, not too drastic yeah. But like, if you have a tree, and climb it, and it's, say, 15 meters. Now you can see ~14 kilometers.

I'd say going from ~5 to ~14 by climbing a tree (or a mast of a ship) is pretty significant, but not drastic, I'd agree to that, yeah.

I wonder how much it was an advantage at sea, really. Like the scout at the top of your mast would be able to see the enemy ship from very far, while the enemies would technically be able to see only the mast of the ship that the scout is on, making it much harder to spot. I'm sure someone's written about it in tedious length. An upvote to anyone who finds me such texts.

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[-] The_Picard_Maneuver@lemmy.world 4 points 1 month ago

Just googled it now, and I'm seeing the "3 miles" number thrown around a lot.

https://science.howstuffworks.com/question198.htm

[-] Kazumara@discuss.tchncs.de 5 points 1 month ago* (last edited 1 month ago)

That's just weird. The question is about the eye. And the primary "answer" they give is about the geometry of our planet.

Edit: At least the real answer is somewhere further down in the text:

Theoretically, in a vacuum there's no limit to how far away your eyes could see since light rays can travel an infinite distance, McCulley says.

[-] OfCourseNot@fedia.io 4 points 1 month ago

Light emitted farther than 46 billion light years away will never reach you. While traveling an infinite distance the universe expands faster, and light emitted not that far will get so red-shifted that it won't be visible anymore.

[-] madjo@feddit.nl 14 points 1 month ago

Flat earth proven! Boom! /s

[-] GrammarPolice@lemmy.world 6 points 1 month ago

I don't think you needed a /s for that

[-] T00l_shed@lemmy.world 7 points 1 month ago

Poe's law would say otherwise.

[-] Zachariah@lemmy.world 13 points 1 month ago

Yes, but for how long?

[-] eatthecake@lemmy.world 11 points 1 month ago

Teacher: not anymore

[-] don@lemm.ee 6 points 1 month ago

tbf, looking at the sun from three miles away would be all that you could see.

Y’know, if it didn’t instantly turn you into plasma.

[-] Michal@programming.dev 6 points 1 month ago

To be fair, Sun is a source of light. Moon, on the other hand...

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this post was submitted on 18 Oct 2024
915 points (95.6% liked)

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