Mie scattering is also the reason why sunsets on Mars are blue. Mars has a much thinner atmosphere (1% of Earth's)and it is filled with fine dust particles.pic.twitter.com/UCGdR7iNnP
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Mie scattering is also the reason why sunsets on Mars are blue. Mars has a much thinner atmosphere (1% of Earth's)and it is filled with fine dust particles.pic.twitter.com/UCGdR7iNnP
Could you not do a machine learning style transfer earth image water, green areas applied to mars. Then we could see evidence for where water were.
No. That's just one use of the term. The original meaning is when there's an 'extra' full moon in, say, a month. https://en.m.wikipedia.org/wiki/Blue_moon And while the phenomenon is not especially rare, it is the origin of 'once in blue moon'. 1/2
'William Barlow, the Bishop of Chichester, the Treatyse of the Buryall of the Masse, 1528, included a sarcastic reference to a blue moon: Yf they saye the mone is belewe, We must beleve that it is true.' Fromhttps://www.phrases.org.uk/meanings/once-in-a-blue-moon.html …
A quick googling suggests otherwise
https://www.google.com/amp/s/www.space.com/amp/15455-blue-moon.html …
That's what a blue moon *is*, but that's not the origin of the *phrase* https://www.phrases.org.uk/meanings/once-in-a-blue-moon.html … The phrase still came from the way that Krakatoa affected our atmosphere.
An urban legend?
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