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- Lower energy light, as seen above, moves towards the red end of the electromagnetic spectrum. This means the expanding sun will take on a reddish brown hue as it enters the aptly named red giant phase of its existence. Just as red often indicates 'danger' in nature, this expansion and reddening of the sun represent the final risk for the Earth.
www.space.com/what-color-is-the-sun
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Why does a rising and setting sun have a red & yellow color?
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Who is the Sun today?
The Science Behind a Red Sun • Red Sun Science • Discover the fascinating reason why the sun appears red at sunrise and sunset, and how atmospheric optics pl...
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2 days ago · The sun has eight numbered active region on its Earth-facing side. There are two newcomer sunspot regions: AR3857 and AR3858. Next 24 hours: The chance for C flares is 99%.
The red image (C2) is more zoomed in on the region close to the Sun, whilst the blue image (C3) gives a much wider view. The white ring at the centre depicts the Sun's true size. In these images, look for gigantic eruptions called coronal mass ejections, visible briefly as broad bubbles curving outwards from the Sun.
- Wildfires, and Red Suns and Moons
- What Causes The Red Suns and Moons?
- Smoke from Canada’s 2023 Wildfires
- More Smoke Conditions
Wildfires raging across Canada have sent smoke careening across North American skies. The northeastern portion of the United States has heavy smoke and an air quality alert has been issued. Some plane flights were even haltedin that region. In other parts of North America, many people have noticed hazy skies and red suns and moons. But what makes t...
Les Cowley publishes the great website Atmospheric Optics and is surely the world’s best-known living master of the physics of sky phenomena. Here’s his explanation for red suns and moons during wildfire season:
Many of Canada’s provinces are battling large wildfires in June 2023, and that smoke poured across the border in the United States. A gray sky with an oddly dampened and reddish sun was often the result. If you’ve captured photos of a strange colored moon, sun or sky due to smoke from wildfires, share it with EarthSky at EarthSky Community Photos!
Bottom line: Wildfire smoke is already drifting across North America in 2023, creating redder-than-usual sunsets. Here’s why wildfires cause red suns and moons.
More recently ESA's Solar Orbiter has taken regular images of the Sun to track the progress as we head towards the peak of the current solar cycle. Two recently released images from February 2021 and October 2023 show how things are really picking up as we head toward solar maximum.
Sep 14, 2021 · Residents in Indiana, California, Washington, Oregon and even Hawaii have noticed the sun appearing orange-red, and experts say the color is due to smoke particles high in the sky that have...
Why Does the Sky Turn Red at Sunrise and Sunset? By Aparna Kher. An orange or red Sun in the early morning or late evening is a sight to behold. The sky takes on these vivid hues due to a phenomenon called Rayleigh scattering.
