The Oort Cloud comet — also known as the Tsuchinshan-ATLAS — will be lighting up the sky starting Oct. 9 MARIANA SUAREZ/AFP via Getty Stargazers will be able to witness a "once-in-a-lifetime" comet in ...
The human mind may find it difficult to conceptualize a cosmic cloud so colossal it surrounds the Sun and eight planets as it extends trillions of miles into deep space. The spherical shell known as ...
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