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Planetary

A guide to interesting stuff going on in space science, space exploration, and space advocacy.
  1. For UNESCO World Arabic Language Day, Danielle Adams reconstructs the Arabian night sky.
  2. New Horizons is rapidly approaching its New Year’s encounter with the most distant world ever visited, 2014 MU69. Closest approach will be at a distance of 3,500 kilometers at about 05:33 on 1 January UTC.
  3. Casey Dreier assesses the significance of the Apollo program on its 50th anniversary.
  4. Vicky Hamilton explores how OSIRIS-REx used its Earth flyby to test instruments on the way to asteroid Bennu.
  5. Michael L. Wong asks how our understanding of the origin of life on Earth informs our search for it elsewhere.