Our solar system has just the one star, but astronomers now have good reason to think a second star paid us a visit about 70,000 years ago.
The post Another Star May Have Skimmed the Solar System 70,000 Years Ago appeared first on ExtremeTech.
from ExtremeTechExtremeTech https://www.extremetech.com/extreme/266214-another-star-may-skimmed-solar-system-70000-years-ago
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