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The object is roughly 50 kilometres across and at present 35 times further from than the Sun than Earth.
The orbits of such objects in the region beyond Neptune s orbit provide fresh insights into the early history of our solar system, says Gladman, who teaches in the Dept. of Physics and Astronomy and holds the Canada Research Chair in Planetary Astronomy.
The international team has been carrying out a targeted search for objects with highly tilted orbits. Their discovery was made using the Canada-France-Hawaii Telescope in Hawaii, with follow-up observations provided by the MMT telescope in Arizona, the Cerro Tololo Inter-American Observatory (CTIO) four-metre telescope in Chile, and the Gemini South telescope, also in Chile, in which Canada is a partner.
Having quick access to the MMT and Gemini South telescopes, via the generous support of the observers and directors, was critical here. Given the highly unusual orbit, the object would have been lost without the rapid tracking from these large telescopes, says Gladman.

Lorraine Chan | Quelle: EurekAlert!
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More than 800,000 snapshots from NASA's Spitzer Space Telescope have been stitched together to create a new 'coming of age' portrait of stars in our inner Milky Way galaxy... The image, which depicts an area of sky 120 degrees wide by two degrees tall, can be viewed at http://www.nasa.gov/missionpages/spitzer/multimedia/20080603.html. It was unveiled today at the 212th meeting of the American Astronomical Society in St. Louis, Mo. 'This is the highest-resolution, largest, most sensitive infrared picture ever taken of our Milky Way,' said Sean Carey of NASA's Spitzer Science Center at the California Institute of Technology, Pasadena, Calif. Carey is lead investigator for one of two teams responsible for the new picture

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