When my friend sent me a beautiful beach photo, with the idea of making me jealous in his mind, the shapes of clouds caught my attention. How amazing it was they very much look like M16, the Eagle Nebula, which is an interstellar cloud. The one at home is mostly made of water which is composed of two hydrogen and one oxygen atom whereas the one at the center of the Galaxy consists of molecular or atomic hydrogen (90 %), some helium (9 %) and heavy atoms. The reason why Earth clouds is not as glamorous as M16 is the radiation. The delicate sculptures of M16 is created by stellar radiation.
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