what makes the sky blue?
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Why is the sky blue? Why are sunsets red? Particles that are small compared with the light wavelength scatter blue light more strongly than red light. Because of this, the tiny gas molecules that make up our Earth’s atmosphere (mostly oxygen and nitrogen) scatter the blue portion of sunlight in all directions, creating an effect that we see as a blue sky. Within the visible range of light, red light waves are scattered the least by atmospheric gas molecules.
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Color of Stars So, remember, blue stars are blue because of the temperature of their surface. And they’re so hot because blue stars are much more massive than cooler stars like our Sun. We have written many articles about stars on Universe Today.
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General Astronomy/Print version The color of a star comes from its temperature. The coolest stars appear red, while the hottest stars are blue. And for a star, the only thing that defines the temperature of …a star is its mass. Blue stars are stars that have at least 3 times the mass of the Sun and up.
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Cloud Questions Clouds are white because their water droplets or ice crystals are large enough to scatter the light of the seven wavelengths (red, orange, yellow, green, blue, indigo, and violet), which combine to produce white light.
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- Great explanation Marty... I think wind is a big factor as well. When the ocean surface is not effected by wind, is calm and glassy, the sky is reflected off of more of the oceans surface area, therefore picking up more of the sky's color. Opposite, when its real windy and chopy you tend to see more of the deeper ocean colors IMO...
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Rivers and streams The blue color becomes visible when we look down into, or through, a large volume of water. We see water in a variety of ways. It may be colored by particles, the presence of bacteria, or by reflecting the world above its surface. Ice and snow may reveal a vivid internal blue.
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Why does the ocean appear blue? Is it because it reflects the color of the sky? 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. This scattering is called 'Rayleigh scattering'; the amount of scattering goes as the frequency of the light to the 4th power.
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ASTRONOMY FOR KIDS Blue Giant Blue stars are large and compact, this causes them to burn their fuel quickly which in turn makes their temperature very hot. These stars often run out of fuel in only 10,000 - 100,000 years.
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Betelgeuse And for a star, the only thing that defines the temperature of a star is its mass. Blue stars are stars that have at least 3 times the mass of the Sun and up. Whether a star has 10 times the mass of the Sun or 150 solar masses, it’s going to appear blue to our eyes. An example of a blue star is the familiar Rigel, the brightest star in the constellation Orion and the 6th brightest star in the sky.
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Why is the Sky Blue? The spectrum is also visible when you see a rainbow in the sky. The colors blend continuously into one another. At one end of the spectrum are the reds and oranges. These gradually shade into yellow, green, blue, indigo and violet. The colors have different wavelengths, frequencies, and energies.
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Why is blue such a rare color in nature? All blue coloration in birds and butterflies, for example, is structural in nature. Blue eyes in humans are caused by the same Rayleigh scattering phenomenon @tennesseejac mentioned. So it would seem that only one remote corner of the animal kingdom has evolved an actual blue pigment.
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Sunset Without Mie scattering at sunset and sunrise, the sky along the horizon has only a dull-reddish appearance, while the rest of the sky remains mostly blue and sometimes green. Sunset colors are typically more brilliant than sunrise colors, because the evening air contains more particles than morning air.
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Curiosities: What determines the colors of the sky at sunrise and sunset? The colors of the sunset result from a phenomenon called scattering. Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter. Scattering affects the color of light coming from the sky, but the details are determined by the wavelength of the light and the size of the particle.
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Plutoâs Sky Is Blue! Well, Kinda. The blue ring around Pluto in the picture is due to what’s called scattering. Teeny tiny particles are suspended in the atmosphere of Pluto, and when sunlight passes by them, the red light gets through, but the blue light hits those particles and caroms off in a different direction.
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Curiosities: What determines the colors of the sky at sunrise and sunset? Curiosities: What determines the colors of the sky at sunrise and sunset? The colors of the sunset result from a phenomenon called scattering, says Steven Ackerman, professor of meteorology at UW–Madison. Molecules and small particles in the atmosphere change the direction of light rays, causing them to scatter.
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Why is Uranus blue? Answer by JXLJ. Confidence votes 119. Uranus' atmosphere is made up of hydrogen, helium and methane. The methane in Uranus' upper atmosphere absorbs the red light from the sun but reflects the blue light from the sun back into space. This is why Uranus appear blue.
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Fact or Fiction?: Smog Creates Beautiful Sunsets Be it the azure of high noon or the orange glow of dusk, the colors of the sky result from sunlight interacting with molecules in the air, primarily nitrogen and oxygen, which cause it to be deflected in all directions, a phenomenon called Rayleigh scattering.
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What does the skyblue color mean? When combined with white it is said to create confusion among the evil. Blue is the colour of fidelity. Used for truth, wisdom, faith, intelligence, peace, meditation, healing, psychism, patience, decision making, poetry, understanding, Happiness, sleep, dreams, tranquility, the oceans, waters, and the sky. Blue symbolises the Great Mother Queen of Heaven, feminine mysteries, The Element Water, the planet Venus, the day Thursday and the Zodiac signs Aquarius & Pisces.
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Blue ice (glacial) Therefore, a large piece of compressed ice, or a glacier, would appear blue. The blue color is sometimes wrongly attributed to Rayleigh scattering, which is responsible for the color of the sky. Rather, water ice is blue for the same reason that large quantities of liquid water are blue: it is a result of an overtone of an oxygen–hydrogen (O−H) bond stretch in water, which absorbs light at the red end of the visible spectrum.
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- 1 By one year a child should be saying their first word. 2  By 18 months a child should be saying at least 20 words. 3  By two years a child should be saying at least 50 words and should be starting to put two words together.oworkers encouraged me to look at state / municipality early intervention. That’s for up to age 3. My child is 3 and 2 months old. What are the steps I should take/should he get evaluated. He’s fine socially, can hear, can play and interact.
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The Color of Clouds The color of the sky is a result of scattering of ALL wavelengths. Yet, this scattering is not in equal portion but heavily weighted toward the shorter wavelengths. As sunlight enters the atmosphere much of the violet light waves scatter first but very high in the atmosphere and therefore not readily seen.
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- To understand why this is so, one need only recall how typical sky colors are produced. The familiar blue of the daytime sky is the result of the selective scattering of sunlight by air molecules. Scattering is the scientific term used to describe the reflection or re-direction of light by small particles.
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- A common misconception is that the ocean is blue due to the reflections from the sky on its surface. This is not true, but was believed to be so decades ago. The real reason the ocean is blue is because water, pure water, is blue. Yes, according to its frequency spectra, water is a very light shade of turquoise blue.But you need a huge amount of it to really see its color.his is not true, but was believed to be so decades ago. The real reason the ocean is blue is because water, pure water, is blue. Yes, according to its frequency spectra, water is a very light shade of turquoise blue. But you need a huge amount of it to really see its color.
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Exosphere Facts The exosphere extends into a black/dark blue region beyond the earth, while the mesosphere is dark blue, and closer to the earth are the cloudy areas of the stratosphere and troposphere. Because the air is so thin in the exosphere the molecules do not collide like they do in lower layers of the atmosphere.
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Rainbow The explanation for why the sky is blue involves so much of the natural sciences: the colors within the visual spectrum, the wave nature of light, the angle at which sunlight hits the atmosphere, the mathematics of scattering, the size of nitrogen and oxygen molecules, and even the way human eyes perceive color.
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As altitude increases, why does the sky color change from blue to black? nitrogen, oxygen, water vapor, carbon dioxide, argon, methane, etc. Nitrogen makes up the most of the atmospheric gases at roughly 78%. Since nitrogen is the majority of the gases, the light that reflects will be blue. Nitrogen absorbs all other colors except for blue so that is what we see. When you move up away from the earth, gravity has less of an effect on the gases. Most of the atmosphere is held closely to the earth.