Why the sky is blue during the day, red during sunrise/set and black during the night? Near the Bahama Islands, the lighter aqua colors are shallow water where the sunlight is reflecting off of the sand and reefs near the surface. The Earth is 3/4 covered with water, and the poles are mostly covered with snow and ice. Something profound happens when astronauts see Earth from space for the first time. It is always curious to know what all things on Earth can seen from space. Physics. Top 10 massive things on Earth that can be seen from space. Earth looks blue from outer space because about two-thirds of the planet is covered with water. The daytime sky is indeed blue as seen from space.
It indicates the ability to send an email. (Sorry for my english.) In Jules Verne’s Around the Moon (1870), three adventurers, fired to the moon by a giant space gun, look back at Earth and see “its delicate crescent suspended in … Why is the atmosphere transparent when seen from space? 4 comments. Perhaps it’s easy to take that view for granted if you’ve watched enough videos… but imagine for a moment that you are watching it from a small window in a house-sized vehicle orbiting between 330 – 410 kilometers (205 – 255 miles) above Earth, traveling at an average of 17,227 miles per hour… that’s around 15.7 orbits per day. You can see this in photographs taken during the Apollo Moon landings. Blue light from the sun is scattered every which way, much more so than the other colors, so when you look up at the daytime sky you see blue no matter where you look. Whether you look form the earth at the space above or look from the space down to the earth , you look through the blanket of air. Here list of 10 massive things on Earth that can seen from space. Mostly blue, with some white. What does Earth look like from space? Ivan De Luce . This thread is archived. The blue color of the sky is a result of this scattering process. share. But what makes the Water blue? 10 Cities at Night.
(In reality, the oceans aren’t blue; they only appear that way because the water reflects the color of the sky overhead—which also appears to us as blue, due to refraction of light.) If someone were to ask you what is the color of the ocean, chances are that you would answer that is was blue. Earth is actually more white from space than either blue or green, thanks to the ice caps and clouds, which in an average day will cover more than half of Earth’s surface. How come? Share on Facebook Share Tweet on Twitter. Why does the sky look blue from the earth and black from the moon? At night, when that part of Earth is facing away from the Sun, space looks black because there is no nearby bright source of light, like the Sun, to be scattered. Water reflect sky colour. Water Coverage. Most of the light is absorbed by the water and radiates the Blue in the visible light spectrum. By the way, this also explains why the Sun looks reddish at sunset, because the sunlight had to pass through much more of the Earth's atmosphere on its way to you (over the heads of a LOT more people before it got to being over your head! (Same idea as air!) Quite a few mountains ranges can be seen from space, but perhaps the most impressive are the Himalayas. Earth’s tiny blue dot, barely the size of a pixel, can be seen in the center of one of the light rays, which was caused by taking the image so close to the Sun. save hide report. Shares. ), so it lost nearly all the blue light it contained. 2019-07-16T15:49:00Z The letter F. An envelope. Some of geographic features and man made things massive enough to seen from hundreds of kilometers above. .The light of the Sun that gets dispersed by the air molecules and the dust in the air blanket absorb all the colours of the spectrum of light except the blue of the particular tinge you see. The earth looks mostly blue when we seen from space because 71% of earth surface is covered with water. In fact, Earth is called the “Blue Planet” for this reason. If you were on the Moon, which has no atmosphere, the sky would be black both night and day. During the day, our atmosphere seems blue and more translucent (e.g. This blue tint is the sky. This MODIS image of blue water in the Caribbean Sea looks blue because the sunlight is scattered by the water molecules. Oct 4, 2009, 00:11 IST. 35. 54% Upvoted. Primarily only red light remains IN THE DIRECT LIGHT FROM THE SUN by the time the light gets to you.
Astronauts … As mentioned above, the sheer percentage of water covering earth makes the earth blue. The moon looks more diffuse), but when seen in pictures of earth taken from space it is not really noticeable. The Blue Marble is an image of Earth taken on December 7, 1972, from a distance of about 29,000 kilometers (18,000 miles) from the planet's surface. Look closely at any color-accurate photograph of earth taken from space and the blue tint of everything on the day side is unmistakable. It was taken by the crew of the Apollo 17 spacecraft on its way to the Moon, and is one of the most reproduced images in history.
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