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2011-08-26 07:12:15

Visible to the human eye as dark blemishes on the solar disk, sunspots are the starting points of explosive flares and coronal mass ejections (CMEs) that sometimes hit our planet 93 million miles away.


Word of the Day
adustion
  • The act of burning, scorching, or heating to dryness; the state or being thus heated or dried.
  • In medicine, cauterization.
The word 'adustion' comes from the Latin 'adustio', 'burning'.
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