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    • We Know How Fast Earth Spins ... Don’t We?

      We Know How Fast Earth Spins ... Don’t We?

      Popular Mechanics via Yahoo Finance· 2 years ago

      The Earth-moon system is responsible for our planet’s gradually slowing spin, leading to longer days. Factors like the “Chandler Wobble” may be...

    • Let's Grow: Do we really need night lighting?

      Let's Grow: Do we really need night lighting?

      Chillicothe Gazette via Yahoo News· 11 months ago

      The nighttime environment is a precious natural resource for all life on Earth, which exists in a rhythm of light and dark provided by the sun, moon and...