For the railroad use of the term observation, see observation car.

For the medical use of the term observation, see watchful waiting.

Observation is an activity of an sapient or sentient living being, which senses and assimiliates the knowledge of a phenomenon in its framework of previous knowledge and ideas.

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Solar System Observing - Twitter Search

Observing NASA's most exciting mission to the edge of our solar system: http://bit.ly/hhObD
bhargavgajjar (Bhargav Gajjar) Thu, 22 Oct 2009 13:03:58 -0000
Observing NASA's most exciting mission to the edge of our solar system: http://bit.ly/hhObD

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