The planet, dwarf
planet or Kuiper Belt objects, so what's the difference? The main thing that
astronomers the most detailed picture to date of Pluto ever do with
ground-based observations.
And that's how they got
it:
They did a series of
pictures of Pluto and Charon, using a newly developed camera called
Differential Speckle Survey Instrument (DSSI), which is mounted on an 8-meter
telescope of the Gemini North, located in Hawaii.
The researchers combined
these images into one big image, eliminating noise generated by turbulence, and
optical aberration. With this technique, known as "speckle
interferometry", was received incredibly sharp, clear images of the
distant pair of objects, particularly notable for the fact that 1) it was
created from images taken with the Earth 2) Pluto is very small, 3) Pluto is
very, very far away from our planet.
This
study was partially funded U.S. National Science Foundation and the research
mission of "Kepler" NASA and will be published in the journal
Publications of the Astronomical Society of the Pacific in October 2012
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