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The Sun doesn't really change color, it just appears that way. When the Sun is lower, closer to the horizon, the white light has to travel through more of the Earth's atmosphere. Refraction scatters the blue end of the spectrum more (which is why the sky is blue). The red color of light is scattered the least, and that is what you see on the horizon and in clouds.
Smoke, as from forest fires, makes the Sun look red for the same reason. The ash clouds from the Mount St. Helens volcanic eruption provided some of the most beautiful sunsets for a long time afterward.
What else can I help you with?
Does smoke make the sun appear red?
No, smoke does not make the sun appear red. The sun appears red during sunrise and sunset due to the scattering of light in the Earth's atmosphere.
How long will the sunrise and sunset take if the sun were a red giant?
Sunrise and sunset may take longer if the sun were a red giant due to its larger size. The sun's expansion into a red giant would cause Earth to be engulfed, so the concept of sunrise and sunset would be moot.
Is the increasing pollution making the colors of sunrise appear more red?
60 years ago you could generally tell the difference between a sunrise (which appeared more golden) and sunset (which appeared more red after a day of pollution from cars and industry.) Now the pollution has worsened so you really can't tell the difference between sunrise and sunset. EZ
Why does the sky look yellow during sunrise and sunset?
During sunrise and sunset, the sun is lower in the sky, causing its light to pass through more of the Earth's atmosphere. This scatters shorter blue and green wavelengths, leaving longer red and yellow wavelengths to dominate the sky's color, making it appear yellow.
Why does the sun appear red in the evening?
The sun appears red or orange at sunrise and sunset because of the dust particles in the air and the angle which the sun is striking Earth at the given time. This causes the reds and oranges (who are of longer wavelength) spread out and "appear" red.
Why are the clouds red?
Clouds can appear red during sunrise or sunset because of the way sunlight is scattered in the Earth's atmosphere. The red color is caused by the scattering of shorter blue and green wavelengths of light, leaving behind the longer red wavelengths to be visible.
Is it possible for the sky to be red?
Yes, it is possible for the sky to appear red, especially during sunrise or sunset when the sunlight is scattered in a way that makes the sky appear red. This phenomenon is caused by the scattering of shorter wavelengths of light, such as blue and green, leaving the longer wavelengths, like red and orange, to dominate the sky's color.
Where does the sun fall in color classification?
The color of the sun is classified as yellow-white, but it can appear differently depending on factors like time of day, atmosphere, and weather conditions. It may appear more orange or red during sunset and sunrise due to the Earth's atmosphere scattering shorter wavelengths.
What is an alpenglow?
An alpenglow is a rose-red glow seen near sunset or sunrise on the summits of mountains.
What will the sunrise and sunset look like as a red giant?
You'll see the sun 200x bigger than today, and the sky will be black (either in sunrise or in sunset) because the heat of the sun will evaporate all of our atmosphere.
Which color of the light will reach the farthest?
Blue light tends to scatter more easily in the atmosphere, while red light can penetrate farther due to its longer wavelength. This is why objects appear red at sunrise and sunset when the sun is lower in the sky.
What could cause a red cloud in the sky?
A red cloud in the sky could be caused by particles in the atmosphere scattering sunlight, often seen during sunrise or sunset when the sun is low on the horizon. This scattering effect can make the cloud appear red or pink in color.
