Green
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General
What causes strange green flashes at sunset and sunrise on Earth?
Here’s something you might remember from your high school earth science class. Sunlight, which appears pure white, is refracted or…
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Global News
Lean Green flying machines spread their wings in Paris, heralding a transportation revolution.
LE BOURGET, France (AP) — Just a dot on the horizon at first, the electric-powered spacecraft, astonishingly quiet as a…
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