Color of a mirror on the Earth

In summary, a mirror placed on the ground will reflect the colors of things seen from space, but blue and red will be predominant depending on the time of day.
  • #36
accdd said:
There are many solar power plants using large mirrors on earth. Their color as seen from the satellite is blue.
View attachment 317079
(source google maps: planta solar 10 Spain)
I have another question: if I have a photo of the sky taken with a smartphone, can I get physically meaningful data from the colors in the picture? Or can the RGB matrix I get cannot be used for anything?
A picture speaks a thousand words! I’m embarrassed that someone else thought of posting one.
I’d just add that a long trip up through the atmosphere would reduce the blue/green component and pull the resultant towards the original 6k(ish) white from the Sun.

My only question would be whether that image is actually from a satellite. I remember reading that a lot of the original Google images were in fact from surveillance aircraft

Plus the possible colour balancing of the Google images could have purposely biased the images to ‘look like’ we’re used to. But the point is more or less proved that what is seen up there is ‘a sky blue’. 🙂👍🏼
 

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