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Topic: Solar term


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In the News (Sat 19 Dec 09)

  
  Encyclopedia :: encyclopedia : Solar system   (Site not responding. Last check: 2007-11-02)
In broad terms, the charted regions of our solar system consist of the Sun, eight bodies in relatively unique orbits (commonly called planets or major planets) and two belts of smaller objects (which can be called minor planets, planetoids, meteoroids, planetesimals or, in the case of Pluto, planets).
In the outer regions of this solar nebula, ice and volatile gases were able to survive, and as a result, the inner planets are rocky and the outer planets were massive enough to attract large amounts of lighter gases, such as hydrogen and helium.
The edge of this bubble is known as the termination shock; the point at which the solar wind collides with the opposing winds of the interstellar medium.
www.hallencyclopedia.com /Solar_system   (4424 words)

  
 Solar system - Wikipedia, the free encyclopedia
In broad terms, the charted regions of the solar system consist of the Sun, four rocky bodies close to it called the terrestrial planets, an inner belt of rocky asteroids, four gas giant planets, and an outer belt of small, icy bodies known as the Kuiper belt.
The Sun is a population I star, meaning that it is fairly new in galactic terms, having been born in the later stages of the universe's evolution.
The solar wind extends to a point roughly 130 AU from the Sun, whereupon it surrenders to the surrounding envionment of the interstellar medium.
en.wikipedia.org /wiki/Solar_system   (6847 words)

  
 Solar system   (Site not responding. Last check: 2007-11-02)
Small quantities of dust are present throughout the Solar system and are responsible for the phenomenon of zodiacal light.
The Solar System is believed to have formed from the Solar Nebula, the collapsing cloud of gas and dust which gave birth to the Sun.
The Solar system is part of the Milky Way galaxy, a spiral galaxy with a diameter of about 100,000 light years containing approximately 200 billion stars, of which our Sun is fairly typical.
solar-system.iqnaut.net   (2001 words)

  
 Solar System Encyclopedia Articles @ LaunchBase.com (Launch Base)   (Site not responding. Last check: 2007-11-02)
Because of its large mass, the Sun has an interior density high enough to sustain nuclear fusion, releasing enormous amounts of energy, most of which is radiated into space in the form of electromagnetic radiation, mostly in the form of visible light.
Since elements heavier than hydrogen and helium were formed in the cores of ancient and exploding stars, the first generation of stars had to die before the universe could become enriched with them.
The movement and behaviour of the solar system approximately follow the three laws first discovered by Johannes Kepler in the seventeenth century.
www.launchbase.com /encyclopedia/Solar_system   (5311 words)

  
 What Is The Nearest Star To Our Solar System   (Site not responding. Last check: 2007-11-02)
Simple explanation of solar system in the framework of the history of the Universe...
Our solar system consists of an average star we call the Sun, the...
the term "solar system" is frequently applied to other star systems and...
www.spacemoose.com /what-is-the-nearest-star-to-our-solar-system.html   (260 words)

  
 Solar (and Sustainable) Cities
The First International Solar Cities Congress was held in Daegu, Korea, November 14-18, 2004.
The term "solar (and sustainable) cities" is a broad term that can encapusulate many different initiatives, activities, and technologies.
Definitions of "solar cities" by the International Solar Cities Initiative and the European Solar Cities Initiative also include a "climate-stabilization" aspect, whereby cities responsibly set per-capital targets for future greenhouse-gas emissions at levels consistent with stablizing future levels of atmospheric carbon-dioxide and other greenhouse gases.
www.martinot.info /solarcities.htm   (1269 words)

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