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   <title>About.com Space / Astronomy: What's Hot Now</title>
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   <description>These articles that had the largest increase in popularity over the last week</description>
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   <dc:date>2009-11-25T10:08:15Z</dc:date>

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         <item>
         <title><![CDATA[Mercury Quiz - Try Your Luck Out on The Simple Quiz About Mercury]]></title>
         <link>http://space.about.com/library/quiz/mercury/blmercuryquiz1.htm</link>
         <description><![CDATA[Mercury Quiz Try Your Hand at This Simple Quiz About Mercur]]></description>
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         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[Edmund Halley]]></title>
         <link>http://space.about.com/cs/astronomerbios/a/edmundhalley_2.htm</link>
         <description><![CDATA[Edmund Halley - More Than Just A Comet. Edmund Halley was born October 29, 1656 in Haggerston, Shoreditch, England. Thanks to a later change in the calendar system, his birth date is now considered to be November 8. His father, also Edmund, was a wealthy soap-maker in London. Besides his soap business, the elder Halley owned a number of properties in London.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Iraq Pictures - Pictures &amp; Video of Iraq and The Surrounding Area Taken Before the Iraq War]]></title>
         <link>http://space.about.com/library/weekly/bliraqimages.htm</link>
         <description><![CDATA[Pictures of the Iraq Region Taken From Space. Although Iraq was not involved in the 9/11 attacks, the US has continued its War 
on Terror by deposing Saddam Hussein. Here are some pictures and a video of Iraq and the surrounding area taken before the war.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ Apollo 13 Crew at Press Conference]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/Apollo-13-Crew-at-Press-Confer.htm</link>
         <description><![CDATA[Apollo 13 astronauts Fred Haise, John Swigert, and James Lovell are pictured during the press conference after their ill-fated mission. The Apollo 13 mission (the third lunar landing mission) was aborted after 56 hours of flight, 205,000 miles from Earth, when an oxygen tank in the service module exploded.&#10;]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Space Firsts - Basics]]></title>
         <link>http://space.about.com/cs/basics/a/spacefirsts.htm</link>
         <description><![CDATA[Space Firsts - Space Basics - Firsts In Space exploration - Space Firsts - Basics Series; What You Need To Know About Space. Discover who did what and when in these space firsts. From the first Earthling in space to the first man on the moon.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[ View of damaged Apollo 13 Service Module from the Lunar/Command Modules]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/View-of-damaged-Apollo-13-Serv.-0se.htm</link>
         <description><![CDATA[This view of the damaged Apollo 13 Service Module (SM) was photographed from the Command Module (CM) just after the CM/SM separation prior to Earth re-entry. As seen here, an entire panel on the SM was blown away by the apparent explosion of oxygen tank number two located in Sector 4 of the SM. Two of the three fuel cells are visible just forward (above) the heavily damaged area. Three fuel cells, two oxygen tanks, and two hydrogen tanks are located in Sector 4.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Sir Isaac Newton]]></title>
         <link>http://space.about.com/cs/astronomyhistory/a/isaacnewtonbio_2.htm</link>
         <description><![CDATA[Biography of Sir Isaac Newton, the man who developed the laws of universal gravitation.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Betelgeuse Information]]></title>
         <link>http://space.about.com/od/stars/p/betelgeuseinfo.htm</link>
         <description><![CDATA[Betelgeuse is the tenth brightest star in the sky. It is a red supergiant about 13,000 times brighter than our sun and over 1000 times larger. If you placed Betelgeuse in the place of our sun, it would extend past the orbit of Jupiter. Its name is from the Arabic armpit, and is near the right shoulder of Orion. It is nearing the end of its life and will soon become a supernova. Betelgeuse is in the constellation Orion.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ Apollo 13 Astronaut Fred Haise during lunar surface simulation training]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/Apollo-13-Astronaut-Fred-Haise.htm</link>
         <description><![CDATA[Astronaut Fred W. Haise Jr., lunar module pilot of the Apollo 13 lunar landing mission, participates in lunar surface simulation training at the Manned Spacecraft Center. Haise is attached to a Six Degrees of Freedom Simulator. Using mock-ups, he simulates traversing with the two subpackages of the Apollo Lunar Surface Experiments Package (ALSEP) via a barbell mode.&#10;]]></description>
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         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Colonel Yuri Gagarin Biography]]></title>
         <link>http://space.about.com/od/deceasedcosmonauts/a/yurigagarinbio.htm</link>
         <description><![CDATA[Yuri A. Gagarin was born on a collective farm in a region west of Moscow, Russia on March 9, 1934. On April 12, 1961 Yuri Gagarin became the 1st human to orbit Earth. Yuri Gagarin circled Earth at a speed of 27,400 k/h. The flight lasted 108 minutes. At the highest point, Yuri Gagarin was about 327 km above Earth. Colonel Yuri Gagarin died on March 27, 1968 when the MiG-15 he was piloting crashed near Moscow. At the time of his death, Yuri Gagarin was in training for a second space mission.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[ View of Mission Control Center during Apollo 13 splashdown]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/View-of-Mission-Control-Center.-0sf.htm</link>
         <description><![CDATA[Overall view of Mission Operations Control Room in Mission Control Center at the Manned Spacecraft Center (MSC) during the ceremonies aboard the U.S.S. Iwo Jima, prime recovery ship for the Apollo 13 mission.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[ Pavo - Pictures and Information on the Constellation Pavo]]></title>
         <link>http://space.about.com/od/starsplanetsgalaxies/ig/Constellations-Pictures/pavo.htm</link>
         <description><![CDATA[The Peacock - Genitive: Pavonis Abbreviations: Pav, Pavo Right Ascension, (h): 20 Declination, (deg): 65S&#10;]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[Star]]></title>
         <link>http://space.about.com/od/glossaries/g/star.htm</link>
         <description><![CDATA[star - from an ever growing glossary of space and astronomy definitions. Find the definitions for star and all your space and astronomy related words in this online dictionary  - glossary.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[Free Christmas Wallpaper for Your Computer Desktop - Place This Free Christmas Wallpaper on Your Computer Desktop]]></title>
         <link>http://space.about.com/library/weekly/blchristmaswallpaper.htm</link>
         <description><![CDATA[Free Christmas Wallpaper for Your Computer Desktop from About Space. Place this desktop Christmas wallpaper on your computer. Make your work area spacey with this Christmaswallpaper.]]></description>
         <guid isPermaLink="true">http://space.about.com/library/weekly/blchristmaswallpaper.htm</guid>
         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
         </item>
         
         <item>
         <title><![CDATA[ Constellations Pictures - Columba - Picture of the Constellation Columba]]></title>
         <link>http://space.about.com/od/starsplanetsgalaxies/ig/Constellations-Pictures/columba.htm</link>
         <description><![CDATA[The Dove - Genitive: Columbae Abbreviations: Col, Colm Right Ascension, (h): 6 Declination, (deg): 35S&#10;]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[Galaxy]]></title>
         <link>http://space.about.com/od/glossaries/g/galaxy.htm</link>
         <description><![CDATA[galaxy - from an ever growing glossary of space and astronomy definitions. Find the definitions for galaxy and all your space and astronomy related words in this online dictionary  - glossary.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <item>
         <title><![CDATA[ Telescopic photograph of Apollo 13 spacecraft in translunar trajectory]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/Telescopic-photograph-of-Apoll.htm</link>
         <description><![CDATA[A telescopic photograph showing the Apollo 13 spacecraft in translunar trajectory in the distant sky. Arrows point to the spacecraft, to the oxygen cloud, and to the expended Saturn V third stage. Apollo 13 was tracked at the Manned Spacecraft Center (MSC) using a 16-inch Schmidt-Cassegrain telescope with an IO television camera with an S-20 type IO tube, mounted in place of the eyepiece. ]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Solar System]]></title>
         <link>http://space.about.com/od/astronomydictionary/g/solar_system.htm</link>
         <description><![CDATA[A solar system consists of a star &amp; all the objects orbiting it as well as all the material in that system. Our Solar System includes the Sun together with the eight planets &amp; their moons as well as all other celestial bodies that orbit the sun. Besides the sun, 8 planets &amp; their moons, our Solar System contains billions of other objects and extends far beyond the outermost planets. There are several hundred thousand asteroids revolving around the Sun. Most have orbits between Mars and Jupiter.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Aristotle Biography]]></title>
         <link>http://space.about.com/od/astronomerbiographies/a/aristotlebio_2.htm</link>
         <description><![CDATA[Aristotle was born around 384 BC in Stagirus, Greece. Around the age of 17, Aristotle became a student at Plato's Academy in Athens. Aristotle was so impressive as a student that he soon became a teacher, himself, remaining at the academy for 20 years. In 335 BC Aristotle traveled to Athens with his circle of assistants to staff his new school, the Lyceum. Two areas which he advanced, which are of particular interest to readers of this site were physics and astronomy. He died at the age of 62.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ Pictures of the Star Sirius - The Dog Star, Sirius, and its Tiny Companion]]></title>
         <link>http://space.about.com/od/deepspacepctures/ig/Sisius-Pictures-Gallery/The-Dog-Star--Sirius--and-its-.htm</link>
         <description><![CDATA[This Hubble Space Telescope image shows Sirius A, the brightest star in our nighttime sky, along with its faint, tiny stellar companion, Sirius B. Astronomers overexposed the image of Sirius A [at center] so that the dim Sirius B [tiny dot at lower left] could be seen. The cross-shaped diffraction spikes and concentric rings around Sirius A, and the small ring around Sirius B, are artifacts produced within the telescope's imaging system. The two stars revolve around each other every 50 years.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ Messenger Spacecraft Images of Mercury - Messenger Views Mercury&#039;s Horizon]]></title>
         <link>http://space.about.com/od/messenger/ig/MESSENGER-Gallery/Messenger-Views-Mercury-s-Hori.htm</link>
         <description><![CDATA[As NASA's MESSENGER spacecraft drew closer to Mercury for its historic first flyby, the spacecraft acquired this image showing a variety of surface textures, including smooth plains at the center of the image, numerous impact craters and rough material that appears to have been ejected from the large crater to the lower right. MESSENGER has acquired over 1200 images of Mercury.&#10;]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Ceres]]></title>
         <link>http://space.about.com/od/asteroids/p/ceres.htm</link>
         <description><![CDATA[Discover Ceres. The first asteroid to be discovered, Ceres is by far the largest and most massive body in the main asteroid belt. Ceres was discovered by Giuseppe Piazzi, a monk in Sicily and the founding director of the Palermo Astronomical Observatory. Named after the Roman goddess of the harvest, of growing plants, and motherly love, Ceres is the smallest of the dwarf planets, a new category of astronomical bodies created by the IAU in 2006.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Astronomy 101 - Solar Syste...]]></title>
         <link>http://space.about.com/cs/astronomy101/a/astro101k.htm</link>
         <description><![CDATA[Astronomy 101 - Solar System - Outer Solar System - Lesson 10: Completing Our Visit Close To Home ]]></description>
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         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Astronomy 101 - Big Numbers]]></title>
         <link>http://space.about.com/cs/astronomy101/a/astro101e.htm</link>
         <description><![CDATA[Astronomy 101 - Lesson 4 - Big Numbers For a Big Universe. Learn how we use astronomical units to measure our solar system - light years for our galaxy and parsecs and scientific notation for the universe. Discover the meaning of big numbers like astronomical units light years and parsecs and how to write them in scientific notation for the measurement of our universe.]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[Apollo 11 Mission]]></title>
         <link>http://space.about.com/cs/missions/a/apollo11_2.htm</link>
         <description><![CDATA[Apollo 11 Mission - First Humans on the Moon. The Space Race, and competition to land on the moon was a product of the Cold War. Not only was it an effort to prove technological superiority, but there was also a real fear on both sides that the other might place weapons of mass destruction in space.]]></description>
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         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ Mercury&#039;s Caloris Basin]]></title>
         <link>http://space.about.com/od/mercury/ig/Mercury-Pictures-Gallery/Mercury-s-Caloris-Basin.htm</link>
         <description><![CDATA[Mercury Pictures Gallery - Mercury's Caloris Basin - Mercury: The desert closest to the sun. - NASA]]></description>
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         <dc:subject>education</dc:subject>
         <dc:date>2009-11-25T10:08:15Z</dc:date>
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         <title><![CDATA[ The Actual Apollo 13 Prime Crew]]></title>
         <link>http://space.about.com/od/apollomissions/ig/Apollo-13-Pictures-Gallery/The-Actual-Apollo-13-Prime-Cre.htm</link>
         <description><![CDATA[The actual Apollo 13 lunar landing mission prime crew from left to right are: Commander, James A. Lovell Jr., Command Module pilot, John L. Swigert Jr.and Lunar Module pilot, Fred W. Haise Jr. The original Command Module pilot for this mission was Thomas &quot;Ken&quot; Mattingly Jr. but due to exposure to German measles he was replaced by his backup, Command Module pilot, John L. &quot;Jack&quot; Swigert Jr.&#10;]]></description>
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         <dc:date>2009-11-25T10:08:15Z</dc:date>
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