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Science News for Students: Twinkle, Twinkle Oldest Stars

Curated by ACT

Astronomers have determined how super-bright galaxies can be used to detect the faint glow of "cosmic fog." Cosmic light is light that has left every star and now lingers in the universe, including light from stars that have burned out.

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cosmic light, extragalactic background light, star detection, society for science & the public, space science
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Classroom Considerations
  • Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)