Tag: magnetic fields

• Earth’s shield from alien particle invasion (Science Advent 16)

  (Every day until December 25, I’m posting a science-related image or video and description.) Day 16 I’ve never seen an aurora except in pictures, though I really hope to before I kick the cosmic bucket.[1] While they are occasionally visible in the more southern regions where I’ve lived, they’re more common the farther north (or…

  Matthew R. Francis

  December 16, 2013

  Astronomy, Astronomy, Physics, and Related Fields

  Advent 2013, aurora, magnetic fields, solar wind