I used to canoe on this lake in Wales, someone had attached a buoy to a gate and chucked it in, presumably as a marker…from where our camp was, the buoy looked shiny and metallic. It was actually white and partly covered in grime. Distance does weird shit.
If rocks emit their own light, how come you can land on them?
Jesus people are dumb.
First time I hear them being referred to as “Jesus people”
Well I guess there was an implied comma but this works too I guess. 🤣
I have a coworker who insists that global warming is a hoax because plants give off oxygen, not carbon dioxide. Can’t even get a foothold in that kind of stupid.
The reflection (scattering) of light can be seen on the picture they choose to make their point. Sure, the comment is correct that anything you can see scatters light otherwise you would not see it, but in the picture it is particular obvious where the light source is from the reflection on the rock.
I wonder how would the percentage of the people believing it change depending on the Moon’s albedo
It’s also a pretty dumb rock to use as an example. If the moon were that color it would be way brighter than it is currently. And with a rock as shiny as that you would clearly see a reflection of the sun as well.
In real life the moon is about as bright as dark asphalt and because of all the dust it is very dull as well. So a matt black paint would probably be closer to what the moon looks like. Still bright as hell compared to the nothingness that surrounds it. Our eyes are also very good at low light conditions, once we get used to the dark a little bit of light goes a long way. So we can even pick out shadows in the moonlight on earth. A brighter moon would be annoying I think, imagine having some nights that look like early evening on a sunny day. But if we evolved with it we would be used to it I guess.
Just like with flat earth the glowing moon theory fails to explain the phases of the moon or things like eclipses. And why the glow doesn’t follow black body radiation, but instead perfectly follows the tell tale signs of reflected sunlight, Fraunhofer lines and all. And where the energy to generate that light would come from, making something glow as bright as the moon takes a lot of power. And why that power source selectively lights some parts some of the time. And where does the sunlight that hits the moon ends up, if it’s not reflected.
I would think it’s a troll, but these days you’d never know. Even if a troll for example claims vaccines cause autism for the grift, idiots still believe it.
I wonder if they think “reflection” only means the kind of reflection you see in a mirror.
specular, rather than diffuse, for reference
when i do it is called spectacular
The only time something doesn’t reflect light is if it’s painted in that special black that’s even darker than vanta black, because that’s what makes it so black; it absorbs all light instead of reflecting any.
And even that reflects a teeny tiny bit of light.
Black holes don’t reflect any light at all as far as I know. They do emit some light via hawking radiation, but that’s not really reflecting.
A coating, which is made from vertically aligned carbon nanotubes. Absorbs 99.995% of visible light. Vanta: A mere 99.96%.
If you can see it, it’s reflecting light
But I can see light. Is light reflecting light? What else am I being lied to about?
I think the nutcake / troll was trying to convey that the rock is emitting light. Which is no less stone bonkers and a load of old cobblers, but here we are.
Do they think all rocks glow?
I mean, technically rocks do glow.
Technically everything glows.
Surprisingly, this even applies to black holes (i.e. Hawking radiation).
Now make the nornal distribution meme for it
If I remember, I can do it Monday afternoon. I unfortunately work 14 hours tomorrow and I can’t risk staying up.
This was my first thought. Somebody tell this guy that not only is his moon model there glowing, but he is too!
For bonus fun, tell him that he’s radioactive.
It would probably be fun to have some instruments on hand to prove it to him as well.
From a distance, I thought this was going to be a 3D printed MST3K logo.
In only seems like rocks are brighter when you are dumber than a rock.
Rocks are literally brighter than that person :p
If it doesn’t reflect light, it’d be black. If it emitted its own light then there wouldn’t be shadows in the craters of the moon and we also wouldn’t have moon phases. It’s hard to tell if this person is actually being serious because this is literally just entry level physics. Plus, we’ve collected moon rocks during the numerous moon landings.
NO! You can see things because light hits it, not becuz it reflects it STOOPIT ^\s
Everything in the universe reflects light. Except black holes. Only things you cannot see do not reflect light.
And things in itself that are too small to see with even a microscope do not reflect light right? Light might interact there but will not reflect in the usual sense, it can however emit light though. As far as I understand that is.
There is a lot to it wavelength, size of reflecting object (if it’s smaller than the wavelength it can’t reflect anything back also applies to emitting photons), reflectance or the fraction of light reflected at the surface of the object (the energy it obsorbs vs energy it kicks back), phase shift, if the photon is traveling from one medium to another with a lower or higher refractive index (redirection of a wave as it passess from one medium to another) it will change the oscillations (kinda like a feedback loop, photons effect electrons in the medium and electrons effect photons right back) like looking at a pencil behind a glass of water distorts what you see. I probably missed some things but I gotta admit it always fascinates me to think about light and reflection.
Dark matter
dork matter
Lmao gotem
Group hug!
except you can still arguably see things that don’t reflect light, if you were anywhere near a black hole (let’s imagine it has no accretion disk and thus isn’t surrounded by a bunch of light) it’d be pretty obvious what with the bending of light and how it’s a disk of pure blackness against the backdrop of stars.
And you know, light sources. They don’t need to reflect any light.
But they still do. It might just be overpowered by the emitted light.
Does a candle really reflect light?
Yes, paraphene candle reflects light, unless you won’t know that it’s white
I obviously mean the flame.
Yes. The flame is a cloud of gas and particulate heated to the point that it glows. It will reflect light. Just not a lot, and it’s also emitting enough light to overpower any reflected light in most conditions.
And of course the candle itself reflects light.
It doesn’t need to reflect any light though.
Candle fire does reflect light, that’s why it has a shadow.
Since when does fire have a shadow?
The event horizon isn’t a physical object. Does a singularity reflect light? (I’m guessing it’s still a no)
Never seen a singularity so would have to agree it doesn’t. Visible Event Horizons are made up of matter that does reflect light, but if there is no matter involved only light you would likely see is distorted as it passes through it from other sources
No event horizon is made up of matter. Do you mean the matter around and behind the black hole, by which the location and size of the black hole can be inferred?
Yeah that’s what I was referring to
Once something moves past the horizon any light that bounced off it would be pulled towards the center with it. Effectively making it non reflective. It’s possible all the energy from being crushed into a singularity causes a glow around it, like the disk around the outer area of a black hole.
If that’s the case, the glow itself would also be sucked immediately into the singularity. Maybe for the shortest of time, on the tiniest plank scale, the singularity produces light.
The only form of “light” (it isn’t really light but radiation, which I’d basically the same as light just that it has a different energy value etc) is the hawking radiation.
The accretion disk would emit light as particles were accelerated into the hole. Plus there would be hawking radiation from the evaporative process black holes have.
The event horizon only obscures objects that are inside it, it has nothing to do with reflectivity of the object itself.
An observer situated between the singularity and an object within the event horizon could still intercept the light reflected from said object.
Light bouncing of an object is what creates reflection. The only way to see reflection past the horizon is to be closer to the singularity than the object you’re looking at.
That is what I said, yes.
The point being that the event horizon deals with the structure of spacetime, while reflectivity is a material property. An object doesn’t get painted with vantablack when it passes the event horizon.
I’m going to break this cycle and not repeat the same thing a fourth time.
The event horizon is the effect of the object not reflecting light.
IS THAT A TWISTED SISTER DELTA PLEDGE PIN?!!
ON YOUR UNIFORM?!!I wanna ROCK
(insert banjo twang here)
ROCK !!!
Duh duh duh
Duh dah dah
radioactive cheese
Everybody wants a rock…
I mean, what else are you gonna wind a piece of string around?
