Mark your calendar now for December 2013 comet-viewing party

Provided that the world does not end in December of 2012, you might have the opportunity to view a particularly impressive comet around Christmastime in 2013. The poetically named C/2012 S1 (ISON) will pass at a-safe-yet-great-for-viewing distance from Earth, after first passing close to the Sun — a combination that promises to produce a beautiful tail and fabulous comet-spotting opportunities, especially in the Northern Hemisphere.



  1. How can we figure out the optimal positioning of all those baby Jesus manger scenes so that the comet appears directly overhead?

    1. 1) Wait until comet appears in sky.
      2) Position manger scene appropriately.
      3) Adjust position every evening as necessary.

      4) Prophet!

  2. Naturally, there’s no possible way that our synchronization between the calendar and the Mayan calendar is off by a year, or that we could be off by 0.4au on the approach vector of the comet.

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