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Hinduism & science: Blueness of the Sky is an optical Illusion
Blueness of the sky is caused by the scattering of the sunlight, this phenomenon is called Rayleigh Scattering named after the physicist Lord Rayleigh (12 November 1842 – 30 June 1919) who first explained it.
The phenomenon is stated as
[Image: Wavelengths of Colors]
"Blueness of the Sky is an optical Illusion" in Yoga Vasishta
Blueness of the sky was explained first by Lord Rayleigh in Later 19th or early 20th century. Was it known to humans earlier that this could be just an illusion and there isn't anything solid out there which is called sky?
It is possible that other cultures, primitive astronomers knew it. I have come across these verses in Yoga Vasishta which say "color of Sky" is result of an optical illusion.
Yoga Vasishta is dated back as early as 4th-5th Century and as late as 12th-14th Century. Hindus believe Yoga Vasishta to be as Old as 5000 Years, given that it was a conversation between Lord Rama & Vasishta who lived in the Last TretaYuga [>5000 years].
Even till the 16th Century majority of the world believed Earth to be the senter of the universe. It is fascinating even if we consider Yoga Vasishta to be only as old as the script it was written in.
It is clear that they knew Blueness of the sky is an optical illusion, though they talk of it in "as a matter of factly" manner, though they don't explain the phenomenon further (which wasn't needed during explanation of Advaitic philosophy).
The same idea is mentioned again in the Section 3, Chapter 7 of Yoga Vasishta:
Categories:Hinduism And Science:Topics,
1. Yoga Vasishta on Human Life Span [topic]
8. Addendum to Evolution: Origins of the World [topic]
9. Bhagavad-Gita Treatise of Self-help [topic]
10. Sundara Kanda Hanuman's Odysey [topic]
11. Mundane distortions in the Divine discourse [topic]
12. The five pandavas and the story of their birth [topic]
13. Mahabharata Family Tree Chart [topic]
14. Markata Kishora Nyaya, Maarjaala Kishora Nyaya [topic]
15. Lord Ganesha symbolism [topic]