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The Sun's core has a very high temperature, more than 15 million degrees Kelvin, and the material in the core is very tightly packed or dense. It is a combination of these two properties that creates an environment just right for nuclear reactions to occur.
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solar.physics.montana.edu/YPOP/Spotlight/SunInfo/Core.h...
solar.physics.montana.edu/YPOP/Spotlight/SunInfo/Core.html
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A Sun Developer Network Site ... SDN Home > Products & Technologies > Java Technology > J2EE > Reference > BluePrints > Welcome to Core J2EE Patterns! >
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java.sun.com/blueprints/corej2eepatterns/Patterns/index...
java.sun.com/blueprints/corej2eepatterns/Patterns/index.html
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The Core Java technologies and application programming interfaces (APIs) are the foundation of the Java Platform, Standard Edition (Java SE). They are used in all classes of Java programming, from desktop applications to Java EE applications. ... A Sun Developer Network Site...
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java.sun.com/javase/technologies/core/index.jsp
java.sun.com/javase/technologies/core/index.jsp
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The center of the sun is very hot (about 15 million degrees Celsius) and the pressure is immense (about 100 billion times the airpressure here on Earth). Because of that, ... Right now, about half of the amount of Hydrogen in the core of the Sun has been fused into Helium. This took the sun about 4,5 billion years.
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www.astro.uva.nl/demo/sun/home.htm
www.astro.uva.nl/demo/sun/home.htm
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Cue The Sun: Interactive narrative, design, production, content development. ... I still remember seeing the sky turn a dirty brown, and the sun reduce to an orange disc. I still remember travelling through the areas around Terang that had been burnt out by the Framlingham fire, and then marvelling at the shaggy green...
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cue-the-sun.com/
cue-the-sun.com/
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The innermost layer of the sun is the core. With a density of 160 g/cm^3, 10 times that of lead, the core might be expected to be solid. However, the core's temperature of 15 million kelvins (27 million degrees Fahrenheit) keeps it in a gaseous state.
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fusedweb.llnl.gov/CPEP/Chart_Pages/5.Plasmas/SunLayers....
fusedweb.llnl.gov/CPEP/Chart_Pages/5.Plasmas/SunLayers.html
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; Tips for using core Java SE APIs; Core Java Technologies Tech Tips ... Sun engineer Michael McMahon describes the new close() method in URLClassLoader, It effectively invalidates the loader, so that no new classes can be loaded from it. It also closes any JAR files that were opened by the loader.
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blogs.sun.com/CoreJavaTechTips/
blogs.sun.com/CoreJavaTechTips/
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Tips for using core Java SE APIs; Core Java Technologies Tech Tips ... 2. The SwingWorker is an Event based kludge, and is only required, because Sun do not provide a framework to separate long running code from the EDT, via a concurrent message queue; unlike the Amiga, many years ago, with its MsgPorts and Signals.
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blogs.sun.com/CoreJavaTechTips/entry/making_progress_wi...
blogs.sun.com/CoreJavaTechTips/entry/making_progress_with_swing_s
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The spate of solar storms that have hit Earth in recent days may be caused by the sun's iron-rich interior, says a University of Missouri-Rolla researcher who theorizes that the sun's core is made of iron rather than hydrogen.
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www.scienceagogo.com/news/20031002191731data_trunc_sys....
www.scienceagogo.com/news/20031002191731data_trunc_sys.shtml
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