Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).

Events

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Today
  • Jupiter at Opposition

    On Saturday, December 7, Jupiter will reach opposition while it gleams brightly between the horns of Taurus and a palm’s width to the left (or 7.5 degrees to the celestial…

  • Mars Enters Retrograde

    On Saturday, December 7, Mars’ easterly orbital motion through the stars of Cancer will slow to a stop in order for it to begin a westerly retrograde loop that will…

  • First Quarter Moon

    The moon will complete the first quarter of its 29.53-day trip around Earth on Sunday, December 8 at 10:27 a.m. EST, 7:27 a.m. PST, and 15:27 GMT. At first quarter,…

  • Mare Imbrium’s Golden Handle

    On Tuesday night, December 10, the terminator on the waxing gibbous moon will cross Sinus Iridum, the Bay of Rainbows. The circular 155 mile (249 km) diameter feature is a…

  • Bright Moon Points to Uranus

    On Thursday night, December 12, the bright, nearly full moon will shine near the planet Uranus. Use binoculars (orange circle) to look for the medium-bright star Botein (Delta Arietis) shining…