Question

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ᴅᴇғɪɴᴇ
ᴄᴏsᴍɪᴄ ᴡᴀᴠᴇs
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Answer 1

The cosmic wave, a vast, mysterious structure that links up far-flung galaxies, has been observed directly for the first time.

Answer 2

Explanation:

Cosmic rays are atom fragments that rain down on the Earth from outside of the solar system. They blaze at the speed of light and have been blamed for electronics problems in satellites and other machinery. Discovered in 1912, many things about cosmic rays remain a mystery more than a century later.