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Hartley 2 Close Up

Hartley 2, Close Up

This image from the High-Resolution Instrument on NASA's EPOXI mission spacecraft shows part of the nucleus of comet Hartley 2. The sun is illuminating the nucleus from the right. A distinct cloud of individual particles...
Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
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Quote of the Day
Every attempt to employ mathematical methods in the study of chemical questions must be considered profoundly irrational and contrary to the spirit of chemistry if mathematical analysis should ever hold a prominent place in chemistry

- an aberration which is happily almost impossible

- it would occasion a rapid and widespread degeneration of that science.

- Auguste Comte
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