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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
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.
Quote of the Day
The way a child discovers the world constantly replicates the way science began. You start to notice what's around you, and you get very curious about how things work. How things interrelate. It's as simple as seeing a bug that intrigues you. You want to know where it goes at night; who its friends are; what it eats.

- David Cronenberg (b. 1943), Canadian filmmaker.
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