Nearly 30,000 objects are hurtling through near-Earth orbit. That’s not just a problem for space
By Bill Weir, CNN Chief Climate Correspondent (CNN) — Once upon a time, gazing at the night sky was an escape from manmade messiness on Earth. Not anymore. Nearly 70 years after the launch of Sputnik, there are so many machines flying through space, astronomers worry their light pollution will soon make it impossible to
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