Table of Contents
- 1 How high does the blue sky go?
- 2 At what altitude do you see the blackness of space?
- 3 At what altitude does the blue sky we see from the ground begin to be significantly dissipated and the blackness of space begins to be apparent?
- 4 At what height does the sky start?
- 5 What height is space in feet?
- 6 Is Rayleigh scattering stronger for longer or shorter wavelengths?
- 7 Why does the sky change color as it approaches the horizon?
- 8 Why do we see reds and yellows in the sky?
How high does the blue sky go?
The highest clouds are no higher than 12 kilometres (7.5 miles) above ground, so that altitude could be considered the “height of the sky”. Or it could be the boundary between the atmosphere and space—the upper limit for aircraft—which scientists give as 100 kilometres (62 miles) above ground.
At what altitude do you see the blackness of space?
At what altitude do you see the blackness of space? The FAI defines the Kármán line as space beginning 100 kilometres (54 nautical miles; 62 miles; 330,000 feet) above Earth’s mean sea level.
At what point does the sky turn from blue to black?
By the time you are in the lower troposphere, such as when flying in the upper elevations in a commercial jet plane—around 35,000 feet (about 10,600 meters)—the air is quite thin and begins to look dark. Above 150,000 feet (about 45,750 meters) the sky turns increasingly black as you enter the stratosphere.
At what altitude does the blue sky we see from the ground begin to be significantly dissipated and the blackness of space begins to be apparent?
At an altitude of around 6,200 miles (10,000 km) above the surface of the earth the final particles of our atmosphere are left and the absolute vacuum of space begins.
At what height does the sky start?
It begins at your feet and extends about 300 miles up. What we see as the sky is really an optical illusion caused by light being scattered by the atmosphere, in practice most of this scattering takes place in the air of the troposphere which is about 12 miles high.
Why does the sun not shine in space?
Rest space is empty. The astroid, plants and planet’s moon shines by the photons released from the Sun(i.e light particles). As there is nothing else in space to shine, hence we never see the Sun’s light.
What height is space in feet?
In the US, “space” begins at 80.4km (50 miles), or 264,000 feet. General international consensus sets a similar limit for the start of space as 100km (62 miles), or 380,000 feet. “Low Earth Orbit” (LEO), where many satellites live, goes from 160km (100 miles, 525,000 feet) to 2,000km (1,240 miles, 6.5 million feet).
Is Rayleigh scattering stronger for longer or shorter wavelengths?
As previously stated, Rayleigh scattering is inversely proportional to the fourth power of wavelength, so that shorter wavelength violet and blue light will scatter more than the longer wavelengths (yellow and especially red light).
Why does the sky appear blue on a clear day?
The sky appears blue on a clear day because of the scattering of blue light by the air molecules in the earth’s atmosphere. The air molecules are much smaller compared with the wavelength of visible light. Therefore, they scatter light of shorter wavelengths more easily and effectively than light of longer wavelengths.
Why does the sky change color as it approaches the horizon?
Closer to the horizon, the sky fades to a lighter blue or white. The sunlight reaching us from low in the sky has passed through even more air than the sunlight reaching us from overhead. As the sunlight has passed through all this air, the air molecules have scattered and rescattered the blue light many times in many directions.
Why do we see reds and yellows in the sky?
As the sun gets lower in the sky, its light is passing through more of the atmosphere to reach you. Even more of the blue light is scattered, allowing the reds and yellows to pass straight through to your eyes.
What color is the Martian sky during the day?
During the daytime, the Martian sky takes on an orange or reddish color. But as the Sun sets, the sky around the Sun begins to take on a blue-gray tone. The top image shows the orange-colored Martian sky during the daytime and the bottom image shows the blue-tinted sky at sunset.