科研之友
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<正>The saying "there’s nothing new under the sun" was not accurate.In about a billion years the Sun will brighten up so much that it will boil off Earth’s oceans.This raises concerns for people who think long-term.How to reduce this risk for the future of humanity?The simplest solution that came to my mind is to spray a blanket of particles(粒子)into the stratosphere(平流层) that would reflect sunlight and cool the Earth.
