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Last updated on April 16, 2014 at 12:01 EDT
Peeping Mimas

Peeping Mimas

Saturn's moon Mimas peeps out from behind the larger moon Dione in this view from the Cassini spacecraft. Mimas (246 miles, or 396 kilometers across) is near the bottom center of the image. Saturn's rings are also...
Word of the Day
choke-pear
  • A kind of pear that has a rough astringent taste.
  • Anything that stops the mouth; an unanswerable argument; an aspersion or a sarcasm by which a person is put to silence.
'Choke-pear' referring to the fruit was coined around 1530, says the OED. The figurative sense originated around 1573.
Quote of the Day
The atom, being for all practical purposes the stable unit of the physical plane, is a constantly changing vortex of reactions.

- Unknown
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