Is the Sun Ghosting Us?

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The discussion humorously explores the perception of the sun's color and its movement in relation to Earth. Participants note that while redshift indicates an object moving away, the sun appears yellow or even red at sunset due to atmospheric conditions, particularly in areas with wildfires. The conversation playfully suggests that the sun is "running away" from Earth, leading to a light-hearted conclusion that the sun is white but appears yellow shifted when viewed from Earth. The idea of Doppler redshift is mentioned, but the tone remains comedic, with references to pop culture and whimsical explanations about the sun's behavior at night.
Field physics
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Just something dumb but funny to think about.
Redshift indicates the object is moving away.
The Earth orbits the sun
The sun appears to be red.
So in conclusion, the sun is running away and the Earth is chasing the sun. Lol hopefully that lightens your evening.
 
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But the sun is yellow...
 
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Field physics said:
The sun appears to be red.
Nope, sorry. Krypton was red, and our Sun is yellow. Don't you read the peer-reviewed Superman literature? :wink:

https://smallville.fandom.com/wiki/Red_sun
 
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Office_Shredder said:
But the sun is yellow...
But ... the sun is white.
 
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DaveC426913 said:
But ... the sun is white.

That's the point of the thread. The sun is white, but since it is stationary relative to the Earth it gets yellow shifted.
 
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berkeman said:
So you're saying our Sunlight's Doppler redshift varies with how much atmosphere it has to travel through? :wink:
No, the sun runs away in the evening which is why it goes dark at night. (Then it hides under the turtles.)
 
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