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During the last full solar eclipse in USA, August 21, 2017, it was so weird to see bright stars and several planets during the day while the sun was obscured. Meanwhile out on the horizon it was full light. I only wished it lasted longer to observe in awe and wonder.
I think i remember that. I was trucking through Wyoming and the electronic signs were telling people to keep there lights on when driving. That could have been a different year but it was definetly in the last 5-6
“There’s nobody in space” - You have just adopted a burden of proof. Go!! Yes, I agree there’s no evidence of anyone in space, but analogously, I don’t claim there is no god, even though there is no evidence for any, and I therefore don’t believe in them.
@@YoungGandalf2325 - Yes, I _do_ believe there are aliens out there (despite a lack of concrete evidence)! Let’s hope a few of them have light switches that could outshine their stars; it provides hope we can overcome our tribal and warlike nature and work together well enough to achieve that, even if it is _exceedingly_ unlikely in my lifetime.
We'll not know unless we have a Contact-type meeting and learn the secrets of the universe in billions of years "when we're ready". The whole consciousness thing is so mind-blowing to me. Almost everything is susceptible to our brains twisting it to fit in the simulation mould.
Please could you talk more on the idea of an "Infinite Universe"? It has to be the most frustrating question, making the existence of gravity no big deal by comparison
Olbers didn’t realize that the universe isn’t infinitely old and light photons from stars have to follow the inverse square law (the farther you move away from a light source the less photons there are to fill the space) then navigate gases, dust and larger objects. It’s going to look pretty dark unless you’re close enough to a star to collect a massive number of photons. Think how bright our rocky neighbors the Moon, Venus and Mars are, and Jupiter and Saturn because of their size and gas composition reflectivity. Then Uranus, Neptune and Pluto had to be discovered by telescope because there’s not enough light reaching and reflecting to be seen by the naked eye back on Earth.
Light means energy (photons) reflecting from matter (atmosphere, plants, flowers, clouds, ocean, soil). As space is sparse on matter and energy....it's dark.
So visible and invisible are subjective... "Why sky is blue" is not a dumb question then, and most of us didn't know the answer. Also many sounds are "invisible" to us but may be well perceived by some (other) animals. It's all a matter of frequencies after all. I'd like to see a video about dark matter. And "why humans see in this light' spectrum (and no other)" is a interesting topic for a video. One of your most informative videos, really.
Every time I hear 'Dark Matter that we know exists' I tune out. We do not know if Dark Matter exists, it's still a hypothetical matter just like Aether. If you're going to use Dark Matter as an education explanation of how something works, you have the responsibility to make it clear that it's theory, not fact.
I feel like the simple answer to this question is “because the universe is massive. It’s like asking why is my house dark but the neighbor has his lights on.
The premise that there are infinite stars is wrong. The universe may be infinite (or at least continually expanding) but matter is finite. If matter was infinite that would mean more matter was constantly being created. And we all know matter cannot be created or destroyed, only change form.
I have a question, when we light up a room and switch of the source of energy for the light the light dissapers and the room will be dark. Where does these photons go ? Is darkness formed from particles ? Is there a place in nature where space is White? Does darkness expand? What is space by it self?
What BS it should be totally forever light. We are in no way as clever as we think. No big bang. Why can't someone say we don't know, it is all guess work
Finally some progress...finite means enclosed...gasses need a container.That containers medium is the ether in which pressure by the matter inside the container manifests as magnetism and dielectric...time to restore the first chemical table that included the ether
Our eyes have evolved to see only a very small part of the very wide electro magnetic spectrum ( for one example, Ham radio frequencies occupy another part of the spectrum. We certainly can't see that!). Our brains interpret what little part of the spectrum that we 'see' and separate the minute differences in each wavelength into what we now call colors of which white for example is just one color or wavelength. We in all our conceit have expanded our definition of 'light' to now include all the various wavelengths of the EMS even though our eyes and brains cant 'see' them. For example when we see pictures from the various space telescopes, what we often are looking at are computer created versions of what is actually there that have been visible color enhanced to differentiate the various wavelengths being received. Those telescopes are seeing wavelengths that we cant visibly see which are then converted to colors we can see so we can get an idea of what some distant entity (star, alien planet, clouds of gas) might look like ...if we had the ability to see at those wavelengths ...which we dont.
No shit sherlock. Let me expand that revelation with the fact the the blue color is due to the scattering of blue light in the upper atmosphere. Red light is much less impeded by the atmosphere and the dust in it and is not scattered (as much)
It’s darker on earth in the middle of nowhere. You see more stars in space than on earth in the most remote areas since light still scatters in our atmosphere areas but you’ll be blacker than black in space regardless unless sunlight hits you because they’re too far to emit any visible light on you.
A lunar day takes roughly an earth month to complete. The phases that we see on the moon, also happen on earth, we just call it daytime and night time.
Conrad Ranzan explains that photons stretch due to the presence of mass in space, ie due to gravity, & they stretch out of existence, the energy going back into the aether from whence it came.
If you were in space you wouldn't notice a Z axis. It'd be hidden from your vision. It'd seem 2 dimensional to you. You also wouldn't have any sense of up or down, It'd all feel pretty much the same in every direction.
It's puzzling how the James Webb Telescope can detect a planet 300 million light-years away when there's no ambient light in space, and infrared light only travels a certain distance. How can this telescope view that planet as clearly as if it were observing Earth from space? There are many aspects that seem inconsistent. For instance, observing a planet in the Kuiper Belt beyond Pluto with such clarity as if it were Pluto itself is perplexing. Infrared light requires a target to illuminate for visibility. By this logic, the telescope should be capable of seeing something as minute as the hairs on an ant's butt in the dead of night in the Mojave Desert.
It’s because it has cooled sufficiently to allow it (slight tongue in cheek). This happened a _long_ time ago, after the end of cosmic inflation, and the cosmic microwave background radiation is the evidence of that very important event. Before that, the universe was opaque.
The absence of matter allows photons to travel in a straight line. Space ( vacuum) just means absent of most or all regular matter. Nothingness cannot influence anything so light travels unimpeded through it.
@@altosack That event was due to the universe cooling down so much (~3000 K) that neutral atoms could form, 380 000 years after the big bang. The plasma that existed before blocked all photons from travelling more than a couple of planck lengths as the electrons and protons bouncing around could interact with all frequencies of light. This event also spawned the CMB background. The burst of photons immediately permeated all of space in the universe, and were in the visible(few percent) to mostly infrared range (970 nanometers plus or minus a few hundred nanometers) but due to the expansion of the universe the wavelength has been stretched into the microwave region (1 millimeter to 1 meter) of the EM spectrum and is currently brightest at 2mm.
@@xiloveyuuhx3 good questions. The blackhole that we are in formed like any ordinary blackhole. So you see we are inside a blackhole that is inside another universe. And "aliens" have figured out how to enter and exit blackholes to be able to see beings inside this blackhole such as us. And then they can enter our blackholes and enter into thoughs blackhole universes and so on and so forth. When a blackhole is formed it creates a universe inside of it. It takes the guts of a star and magnifies it into unbelievable sizes. Because everything in that universe is shrunk down so only one stars matter can fill an intire universe full of stuff. And the stars that fall into a blackhole only make the blackhole bigger which accounts for why our universe is constantly expanding.
Gases in Earth's atmosphere wasn't necessary. Other planets also may or may not have gases. Objects absorb the light and reflect the color that they don't, making it visible for an observer. This, the massive space has less objects to absorb and reflect light that's why it's mostly dark. As simple as that
There are plenty of nobel prizes waiting for the geniuses who discover what dark matter and energy are! I wish I was smart or driven enough to do it so i’m leaving it in the hands of more intelligent people.
There is no dark matter, it can be explained by electro magnetism and dark energy is still a thing but not in the mainstream way, speed of light and gravitational effect varies and changes.
Either its a black hole or boundary made of black hole causing all the strange phenomenon we dont understand. Could be rainbow or multicoloured in nature in the exterior.
if the entire space is 13.5 billion yrs old then what was around 14 billion yrs ago? what caused a big bang if there was nothing here to cause an explosion?
"Why Is There Light On Earth But Space Is Dark?" Because we have a star just a few million miles away that gives us light. If it wasn't there, it would be dark, like space. Hope that answers the question in less than 10 minutes.
Does the radiant emission work the same way? I mean it's gotta be something hot 🔥 up there but it gets colder the closer we get....obviously to a point....but why is space itself cold? If it's not the heat from the sun causing us harm then theoretically it would be from the absorption/reflection of light itself.
It’s not the heat causing harm, it’s the radiation caused by the fusion. And space isn’t absolute cold, once all the stars die out, it will eventually become absolute cold though
@@bobbyt223 So t's like being microwaved....🤔.... That's why things are dehydrating at such an alarming rate. I'm completely uneducated and eccentric but if the human body is made up of mostly water than we would too become part of the process.
how would the discovery of the james webb space telescope give the wide indication that the big bang theory is malsch based on dark matter calculations. If no theory is wrong about the discovery, it would not mean that the universe has much less dark matter than thought
Never understood Olbers Paradox. Stars represent a tiny % of matter. The vast majority is dark. Why instead isn't the sky darker? Even with stars we're not seeing the light source- the fusing nuclei in the cores- but instead the heated matter in the outer shells. Space is *almost* a vacuum, but there will be a infinite amount of absorbing matter along an infinite line. Shouldn't the optical properties of space at great distance be like a low but non-zero temperature black-body fog at and at infinity a brick wall? Maybe its just me but the argument against this in this video sounds like gibberish.
Great question! The night sky isn't completely dark because we see light from stars and galaxies. Even though stars are a small part of the universe's matter, they still emit light that reaches us. The universe is expanding, so light from distant stars hasn't had time to reach us yet, which keeps the sky from being brighter. Dark matter doesn't emit light, adding to the darkness, but the light from stars and galaxies keeps the sky from being even darker. At great distances, space does resemble a low-temperature black-body radiation called the CMB, which is the afterglow of the Big Bang at about 2.7 Kelvin. Instead of a "brick wall," the expanding universe means we reach a limit where light hasn't had time to reach us. So, while space isn't exactly a black-body fog, the CMB is a faint, uniform glow throughout the cosmos.
light on earth began slowly, as lightbulbs began to be manufactured. This is why it's so bright in the current year. 150 years ago, the earth was a black ball, rolling around the billiard table that is space.
Wrong. The very first interview of Apollo 11 crew said they didnt remember ever seeing any stars from the Moon. So that suggests we can't see them without passing through the Magnetic field.
@@andrejones2147 Question. So why do mars Rovers never shoot up at stars? With no life or lights or atmosphere, you’d think you’d get some amazing shots of all the stars in obscured right? Yet none. Space yo date has always been gov controlled of what you see. Wait until more nations and private space companies get to show what you can see.
You can’t see them on the day side. Your pupils shrink and only let in the brightest light omitting stars. If you’re on the night side of the moon without the Earth in its view, your pupils will dilate let in star light. Why do most people not realize this?
