Why There Is Light on Earth But Not in Space

If you’re not a morning person, then you’d probably love living on the moon or out in space! The whole “lack of oxygen” thing aside, a ‘round-the-clock night sky sounds pretty tempting! But why is there so much light on Earth, but almost none once you leave our planet?

You might think that it’s light during the day and dark at night because the Earth spins on its axis, and the Sun illuminates either hemisphere. That’s part of the reason, but it’s more complicated than that. Our star shines on the Moon too, but the sky above it is always black!

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TIMESTAMPS:
Why is the sky above the Moon is always black? 0:25
Why don’t other stars shine with blazing light at night? 1:42
When we look at the sky, we glance into a very distant past 🌟 3:33
Why don’t less distant stars shine as bright as the Sun? 4:09
Where the Big Bang comes into play 6:03
How do we know these black areas exist at all? 6:45

#space #planets #brightside

SUMMARY:
- The atmosphere surrounding our Earth is full of dust, dirt, gases, and water droplets – which all act like tiny mirrors and reflect the sunlight.
- If you find yourself on the Moon, where there’s no atmosphere, the sky will be black. You’ll be able to see the stars even when the sun is blazing on the surface during the lunar day.
- In the early 19th century, German astronomer Wilhelm Olbers suggested that the reason the sky is dark at night was a dusty veil that hid most of the stars from us.
- Thanks to our fancy powerful telescopes, we now know that it takes light billions of years to get to us from the farthest stars.
- Modern telescopes can show us that the light started its journey to the Earth about 10 billion years ago. The more powerful telescopes get, the further back in time we can see.
- But don’t all those distant stars give at least some noticeable light on this planet? It’d be like switching on a ton of tiny halogen light bulbs. They’re not as bright as one big LED bulb, but they do give off part of its light.
- Space might be empty compared to the Earth’s atmosphere, but there are a lot of gases out there. They move around, form clouds, and serve as a sort of veil hiding most of the light in the Milky Way.
- The theory states that the Universe was born in a Big Bang 13.8 billion years ago. Since that time, everything has been moving away from the point where it all began.
- Sources of light also move away and spread out, which means space is getting darker, and the number of black areas is growing.
- Astronomers think that most of the matter in the universe is invisible, and it looks like black emptiness to the human eye.
- If you remember the electromagnetic spectrum from back in school, you’ll know that visible light is just a tiny sliver of all those wavelengths and frequencies.
- Red, blue, purple, yellow, orange – the whole color wheel depending on which gases make them up!

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[BRIGHTSIDEOFFICIAL]

Do you feel comfortable in darkness? Or are you afraid of it?

[dystopicaarav]

How much i learn in school - 3%
What i learn on youtube - 97%

[Alllliiiigaaatooor]

Why is space dark?


Me: Because it hasn't subscribed to the brightside

[Reza-kizh]

Just imagine how great it could be if NASA had the budget of the US military .

[jkay]

The more humans think they knew about the things around them, the more they realized they know nothing. Live and enjoy every moment, for we shall all be gone someday!

[my_name_sj]

It’s 2021. Space can be whatever color it wants

[scottcupp]

it's very cool to look in to the night sky and wonder if the stars I see are actually still there. They could have passed on and I am looking in to the past. Sort of like time travel in a way

[eseukey]

Creation is just what it is...wonderful. 😊

[yatazuuu]

They say we watches lots of YouTube and said it useless and say we’re lazy, all we do is watching videos and not doing homework, studying, school but We actually learns more on YouTube then at school.

[editoons]

To make a long Bright Side answer short: Space is black because there is nothing for light to illuminate on. The Earth's sky is bright because the atmosphere has gas, and thus something the sun can illuminate on. Space is mostly empty pockets of nothing, and nebulas are bright because they are composed of mostly hydrogen gas, so the nearby stars can shine on something.
The photons that stars produce cannot shine on something in space, making it so dark.

There

Just saved you about 8 minutes if you did not watch the video completely.

[tulikagupta]

Plot twist: The space is not black. Human eyes just don't have the capability to see the color of space.

[fallenangel]

I am literally so interested in this right now, and how deep the ocean is! It’s so fascinating! 💯

[dominichadley]

Imagine if space had an atmosphere, the Colours created by the stars like in a Nebula, Planets suspended in unimaginable colours, It would be like one of those Fantasy worlds 😍 flying a ship and all around you see bright blue and hues all around

[peter]

Legend has it my ex’s heart is even darker than outer space

[ceemichaels]

Luv the Nebula part!! That’s very fascinating!!

[john-blair]

Thanks - loved the special effects in the video! Great work.

[carbon]

The earth is round!
No, the earth is flat!
Minecraft: Non-sense, it's a block!

[nyc]

Why is Space Black?

Because that's how the NASA artist paint it!

[saundramartin]

I was just sitting and thinking about this topic and Boom. Love the Bright Side. Always have what I'm interested in☺👍

[osito]

Here’s a question for you Brightside. Will light stop traveling if nothing interferes or gets in the way and how far would it travel? And how does it travel through dark matter?