What color does the Sun have? It is not yellow, according to an ex-NASA astronaut.
The sun is actually white, not yellow, as a former NASA astronaut confirmed.
The space fact was verified by Scott Kelly on Twitter after being shared by the “Latest in Space” account.
The earth’s atmosphere causes the dwarf star, which is truly white, to seem yellow. As a result, the sun appears white once a person has passed through our planet’s atmosphere.
NASA claims that blue light is better attenuated by Earth’s atmosphere than red light.
“The human eye interprets the colour of the Sun as yellow because of the minor blue light shortfall.”
All x-ray and gamma radiation is filtered away before it reaches humans on the ground, according to NASA.
More and more blue light scatters as sunlight travels through the atmosphere’s various layers, while an increasing proportion of red light—which has the longest wavelength—reaches our eyes. This is also the reason why during sunset, the sun and even the sky appear redder.
Numerous comments were made below the astronaut’s post by online users. While some people agreed, others remained doubtful, and some people answered in jest.
A sceptic user questioned, “I mean, he can be lying just to lie. can anyone else corroborate this?”
Another ridiculed those who believe in the flat earth hypothesis, asking: “What about Earth, is it flat or globe?”
Even more, a user contributed a discussion concerning the colour green, suggesting that perhaps the evolution of the human eye causes it to appear yellow when it is actually green.
It peaks in green, yes, but the colours on either side are about the same amount so they all add to white. This would be (mostly) true even if we could see a wider amount of the E-M spectrum as long as our vision sensitivity also peaks in green, said another user who identified himself as a physicist in response to the comment about the green sun.
I can confirm this space fact. https://t.co/lLzcKgklvD
— Scott Kelly (@StationCDRKelly) September 12, 2022
