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1121. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B005ED788-9702-468B-8F21-D46F0D8B7937%7D
. Kevin Krisciunas shows off his homemade Moon-measurer, based on Gerson's staff of Jacob. Sandra Rodriguez Krisciunas
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B005ED788-9702-468B-8F21-D46F0D8B7937%7D -- 3.0 Кб -- 10.04.2016
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1122. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9AAFC352-BC29-43CA-A4EB-E208AECB8F5F%7D
. An artist imagines 2003 UB 313 , an object larger and three times farther away than Pluto. Discovered January 5, 2005, the body is being called the solar system's tenth planet. NASA/JPL-Caltech
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9AAFC352-BC29-43CA-A4EB-E208AECB8F5F%7D -- 3.1 Кб -- 10.04.2016
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1123. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B98EC23C6-03D7-4365-A707-A980D8C28D61%7D
. This is our best look at Pluto to date. Scientists mapped the planet using the Hubble Space Telescope. This view is centered on the Pluto hemisphere that always faces Charon. SWRI
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B98EC23C6-03D7-4365-A707-A980D8C28D61%7D -- 3.1 Кб -- 10.04.2016
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1124. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B93367509-79C8-425D-BA60-F99322F721BB%7D
. Will astronomers reclassify Ceres, Pluto's largest moon, and Xena (2003 UB 313 ) as planets? Many scientists haven't reacted favorably to a proposed definition that would do so. IAU/Martin Kornmesser
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B93367509-79C8-425D-BA60-F99322F721BB%7D -- 3.1 Кб -- 10.04.2016
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1125. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B83094125-835C-4B59-8D67-46BC51AEBAEB%7D
. One of the first proton collisions in ALICE. CERN
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B83094125-835C-4B59-8D67-46BC51AEBAEB%7D -- 2.8 Кб -- 10.04.2016
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1126. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B4ED6B7A5-76A8-4C00-8A91-A526EB7B5AC5%7D
. A new definition of "planet" would let Pluto keep its status — and add the asteroid Ceres, Pluto's largest moon, and 2003 UB 313 to the list. IAU/Martin Kornmesser
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B4ED6B7A5-76A8-4C00-8A91-A526EB7B5AC5%7D -- 3.1 Кб -- 10.04.2016
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1127. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3B5A7929-AF93-4A52-A0E0-251DD777564C%7D
. Three of the largest objects in the Kuiper Belt have moons. These images, acquired using the W. M. Keck Observatory's laser guide star adaptive-optics system, shows Pluto, 2005 FY 9 ("Easterbunny"), 2003 EL 61 ("Santa"), and 2003 UB 313 the objects at the same scale. Tick marks are spaced at 1" intervals. Courtesy Michael Brown
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3B5A7929-AF93-4A52-A0E0-251DD777564C%7D -- 3.5 Кб -- 10.04.2016
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1128. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B225A9A5D-2A85-41C5-AFBE-4CB26CCD5F8A%7D
. These images, spanning 90 minutes, show 2003 UB 313 (circled) in exposures taken during 90 minutes on October 21, 2003. The astronomers didn't recognize the objects motion until they reimaged the area in January 2005. Samuel Oschin Telescope, Palomar Observatory
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B225A9A5D-2A85-41C5-AFBE-4CB26CCD5F8A%7D -- 3.3 Кб -- 10.04.2016
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1129. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B1AAB0C48-87F8-4A5A-841C-40C614979EB2%7D
. Astronomers have found a moon orbiting 2003 UB 313 , informally nicknamed Xena. It's discoverers call it the tenth planet because it's larger than Pluto. The new satellite, shown with Xena in this illustration, is dubbed "Gabrielle." . Robert Hurt, IPAC
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B1AAB0C48-87F8-4A5A-841C-40C614979EB2%7D -- 3.3 Кб -- 10.04.2016
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1130. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B121E3B59-8694-411F-BA8A-2C0AECF05D43%7D
. An artist images the planet catalogued as 2003 UB 313 hovering at its frigid, lonely outpost in the outer solar system. The new planet, discoveed January 8, 2005, is at least Pluto's size and orbits the Sun three times farther out. NASA/JPL-Caltech
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B121E3B59-8694-411F-BA8A-2C0AECF05D43%7D -- 3.2 Кб -- 10.04.2016
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1131. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BF2513261-3069-4709-B9B0-C451989F4EE3%7D
. A new definition of "planet" would let Pluto keep its status — and add the asteroid Ceres, Pluto's moon, and 2003 UB 313 to the list. IAU/Martin Kornmesser
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BF2513261-3069-4709-B9B0-C451989F4EE3%7D -- 3.1 Кб -- 10.04.2016
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1132. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8865D828-CBF9-4F76-9994-0E62AD445979%7D
. EarthтАЩs shadow covered the MoonтАЩs north pole during this September 2006 eclipse. On December 31, our shadow kisses the lunar south pole. Anthony Ayiomamitis
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8865D828-CBF9-4F76-9994-0E62AD445979%7D -- 3.1 Кб -- 10.04.2016
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1133. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B87C6C142-606A-4DDC-AABD-A09B38C48D16%7D
. Eris, once thought to be the same size as Pluto, is actually 27 percent more massive than the former planet. Eris' moon, Dysnomia — shown here with Eris — is the only moon discovered orbiting Eris so far. Francis Reddy
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B87C6C142-606A-4DDC-AABD-A09B38C48D16%7D -- 3.2 Кб -- 10.04.2016
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1134. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B848F9E9A-A5BF-42E6-93EA-104A89BFF0A4%7D
. Size comparison between (from left) the sun, the Earth, Jupiter, GJ 758 B and GJ 758. The planet-like object's temperature of 600ТА Fahrenheit (300ТА Celsius) makes it glow cherry-red. Max Planck Institute for Astronomy/National Astronomical Observatory of Japan
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B848F9E9A-A5BF-42E6-93EA-104A89BFF0A4%7D -- 3.2 Кб -- 10.04.2016
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1135. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B73482700-516E-4BF3-A9AA-E89F09945FEA%7D
. The rear fuselage of the Stratospheric Observatory for Infrared Astronomy's 747SP is illuminated during telescope testing operations in preparation for aircraft and science checkout flights. The telescope cavity door is open with the lower flexible door partially extended. NASA/Tom Tschida
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B73482700-516E-4BF3-A9AA-E89F09945FEA%7D -- 3.3 Кб -- 10.04.2016
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1136. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BCB836B76-FCE1-4654-892B-44FD4B51C2AA%7D
. To recognize a meteorite, look for these four clues: (A) a meteorite is usually magnetic, (B) it make have a fusion crust, (C) possible aerodynamic shape, and (D) dime-size indentations. Mike Reynolds
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BCB836B76-FCE1-4654-892B-44FD4B51C2AA%7D -- 3.1 Кб -- 10.04.2016
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1137. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9D7774B8-ECFE-43CE-BFE8-4949FC4C2C52%7D
. Dark subtraction is a process astroimagers use to remove bright dots resulting from excess current that builds up in the pixels of a CCD chip. To perform a dark subtraction, take an image (called a dark frame) with the CCD camera covered. Then, using software, subtract that image from your original. All images: Tony Hallas
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9D7774B8-ECFE-43CE-BFE8-4949FC4C2C52%7D -- 3.5 Кб -- 10.04.2016
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1138. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B2771D938-60A1-4CD7-BA69-A90A23D62884%7D
. Cosmic rays strike CCD chips during exposures, and most chips are sensitive enough to record the hit as optical тАЬnoiseтАЭ (circled). Most astroimaging software offers an algorithm that will let you easily remove all traces of cosmic-ray hits. Tony Hallas
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B2771D938-60A1-4CD7-BA69-A90A23D62884%7D -- 3.3 Кб -- 10.04.2016
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1139. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B2067C0DF-77D6-4588-890C-8B6EF570A980%7D
. The Edgeworth-Kuiper Belt is named for British astronomer Kenneth Edgeworth and Dutch-American astronomer Gerard Kuiper. (Many refer to it as simply the Kuiper Belt.) . Dan Durda
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B2067C0DF-77D6-4588-890C-8B6EF570A980%7D -- 3.1 Кб -- 10.04.2016
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1140. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B09AC14EC-8B5C-46B9-BB85-FF08390B5600%7D
. David J. Eicher
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B09AC14EC-8B5C-46B9-BB85-FF08390B5600%7D -- 2.6 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B24C6DC20-D937-4627-8C93-87209AAC165D%7D -- 2.6 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B315FF439-4C22-4DC8-A3A1-F5347EACED28%7D -- 2.6 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B24C6DC20-D937-4627-8C93-87209AAC165D%7D -- 2.6 Кб -- 10.04.2016
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