On the way to building TPF, NASA has built Kepler, a mission to search for habitable planets. Kepler is going to stare at one place on the sky for three or four years.
On the way to building TPF, NASA has built Kepler, a mission to search for habitable planets.
Kepler is going to stare at one place on the sky for three or four years.
http://www.kepler.arc.nasa.gov/index.html
By the way, this is how a digital camera works:
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