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A solar balloon is a balloon that gains buoyancy when the air inside is heated by solar radiation, usually with the help of black or dark balloon material. The heated air inside the solar balloon expands and has lower density than the surrounding air. As such, a solar balloon is similar to a hot air balloon. Usage of solar balloons is predominantly in the toy market, although it has been proposed that they be used in the investigation of planet Mars, and some solar balloons are large enough for human flight. A vent at the top can be opened to release hot air for descent and deflation.

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  • منطاد شمسي (ar)
  • Solarballon (de)
  • Ballon solaire (fr)
  • Solar balloon (en)
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  • المنطاد الشمسي هو منطاد يرتفع للأعلى عند تسخين الهواء بداخله بالطاقة الشمسية، عادة مايكون أسود اللون أو ذو مادة داكنة. يتوسع الهواء المسخن بداخل المنطاد الشمسي وتقل كثافته عن الهواء المحيط بالمنطاد. يشبه المنطاد الشمسي منطاد الهواء الساخن. تستخدم المناطيد الشمسية كألعاب غالبا، إلا أن بعض منها يستخدم في البحث في كوكب المريخ، وبعض المناطيد الشمسية الكبيرة تستطيع نقل البشر. يوجد ثقب بالأعلى يفتح لخروج الهواء الساخن عند الرغبة بالهبوط والتفريغ. (ar)
  • Ein Solarballon ist ein Ballon mit dunkler Hülle, der mit normaler Umgebungsluft gefüllt ist. Die Hülle absorbiert die Energie des Sonnenlichts und heizt sich dadurch auf. Einen Teil der Wärmeenergie gibt sie an die Luft im Balloninnern ab, die sich dadurch ebenfalls erwärmt. Weil erwärmte Luft weniger dicht ist als kalte, entsteht auf diese Weise ein statischer Auftrieb, der den Ballon schweben lässt. (de)
  • Le ballon solaire est un aérostat semblable à la montgolfière sauf qu'il n'utilise pas de brûleur, ni aucune autre source de chaleur exceptée celle fournie par le soleil.Comme les autres aérostats, le ballon solaire est en sustentation grâce à la poussée d'Archimède. (fr)
  • A solar balloon is a balloon that gains buoyancy when the air inside is heated by solar radiation, usually with the help of black or dark balloon material. The heated air inside the solar balloon expands and has lower density than the surrounding air. As such, a solar balloon is similar to a hot air balloon. Usage of solar balloons is predominantly in the toy market, although it has been proposed that they be used in the investigation of planet Mars, and some solar balloons are large enough for human flight. A vent at the top can be opened to release hot air for descent and deflation. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Solarballon_Hot_18_Wikipedia.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Cm529_sb_10ftet.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Estimated_Rate_of_Energy_Loss_of_a_Solar_Balloon.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/cm29_sb_standard1.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/cm529_sb_tube.jpg
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