Between The Sky and Space.....?

Question

What is inbetween??? Like, If you are reallllly high up In the sky, when does space begin? Is there like some kind of border-or something that you can see that separates space from Earth??? Can you see when the sky ends, and space begins??? Or Is It just like...blended????
If you can help, that'll be lovely. Thank-you.

Answer 1

The earth's atmosphere is in layers. The layers are approximate and arbitrary limits set by scientists. There is no clear edge or clear boundary. The ground is one clear boundary and you can fly above the clouds, but even the clouds don't all float at the same height.

See this article and the graphic explains it pretty well: http://en.wikipedia.org/wiki/Earth%27s_atmosphere
If you read the article you will understand much more, pay especial attention to the description of each level. We live in the troposphere, planes fly in the stratosphere which also holds the ionosphere.

The International recognized limit of space is 100 km above sea level. This would be inside the mesosphere.

As you get higher the atmospheric pressure decreases and the air is thinner. It extends well beyond the orbit of the space station, but it is so thin there that we ignore it.

The only manned spacecraft that every entirely left the atmosphere of the Earth were Apollo 8-17 who went around the moon. The edge of the atmosphere is considered to be about 1,000 km. At that point the average particle density is the same as it is anywhere else in our solar system, that is not close to a planet, the sun, or a comet.

Answer 2

When people say "space" they usually mean when you travel high enough and the atmosphere is so thin that the sky appears black and stars are visible.

But there is no technically clear boundary between Earth's atmosphere and space - the density of the atmosphere gradually decreases as the altitude increases.
However, most scientists accept the the Fédération Aéronautique Internationale altitude of 100 km (62 miles) as a working definition for the boundary.
This is used because above an altitude of roughly 100 km a vehicle would have to travel faster than orbital velocity to get enough lift from the atmosphere to support itself.
The US calls anyone that travels above an altitude of 80 km (50 miles) as astronauts.

Answer 3

Blended is a good way to say it.
Take some water mixed with blue water color paint. slash it on some rough paper made for watercolor painting. the fade from blue to white is one side of the story. Now do the same from the other direction with black paint.
That is about the affect.

Electrons are much lighter than even the lightest atoms Hydrogen. and the mixture of these makes up most of the volume of the uppermost of earths atmosphere. Even out in space there is alto going on. Particles coming off the sun wander by at high speeds. and the very old light from distant Galaxies meets you from every direction.

The pictures taken from space craft show that the atmosphere we use to breath is no really very thick. A couple thousand miles at best. You can also see the gentle fade to black between the earth and deep space.

Answer 4

Your height is the gap between the Earth and the sky. "Sky" is in simple terms the word we use to describe the empty area above our heads. you could develop your hand into the sky. Birds fly interior the sky. Clouds glide interior the sky. Airplanes fly interior the sky. Satellites orbit the Earth interior the sky. The Moon is interior the sky. The solar is interior the sky. The planets are interior the sky. the celebs are interior the sky. .

Answer 5

The sky is an optical illusion that results from sunlight being scattered by dust and moisture in the atmosphere. When sunlight is absent, the sky becomes transparent, and we can see out into space. Space itself, on the other hand, is real. It is generally considered to begin where the atmosphere becomes too thin to detect, at about 65 miles above sea level.

It is not an abrupt end. It sort of tapers......off.

Answer 6

1st- troposphere (where the clouds are) [0-20km]
2nd- Stratosphere (where the planes fly high) [20-50km]
3rd- mesosphere [50-90km]
4th- thermophere [90-200km]
5th- exoshere (where the spacecrafts & satellites are) [200km-1000km]

http://www.kowoma.de/en/gps/additional/atmosphere.jpg

Answer 7

Its like........blended