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  1. Astronomy

    Betelgeuse has a tiny companion star hidden in plain sight

    Betelgeuse has a sequel — in the form of a companion star that's about the same mass as the sun, orbiting it about once every 2,100 days.

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  2. Astronomy

    Starlink satellites’ leaky radio waves obscure the cosmos

    Starlink satellites unintentionally emit radio waves that appear more than 10 million times brighter than natural sources, as seen by ground-based radio telescopes.

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  3. Animals

    ‘Night Magic’ invites you to celebrate the living wonders of the dark

    In the book ‘Night Magic,’ Leigh Ann Henion writes of encounters with salamanders, bats, glowworms and other life-forms nurtured by darkness.