热气球
Also known as montgolfier
轻于空气的飞机，由一个称为气囊的袋子组成，里面装有加热的空气
AI overview
A hot air balloon is an aircraft with a large bag filled with heated air that makes it lighter than the surrounding atmosphere, allowing it to float upward. Hot air balloons matter because they represent an early and practical method of human flight that remains popular today for recreation, research, and observation.
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Article · 中文
熱氣球（英語：balloon）是娛樂性航空器的一种，它配备有用來填充氣體的袋狀物，当充入氣體的密度小於其周圍的環境的氣體密度，且由此壓力差產生的静浮力大於氣球本身與其搭載物的重量時热气球就可浮升。热气球作为一种娛樂性交通工具可用来运载观测仪器和遊客，只装载设备的无載人气球经常用于对高空大气环境的科学研究，有时也用于测定射线。另外，用作娛樂性熱氣球的例子有海洋公園。
Abstract from DBpedia / Wikipedia · CC BY-SA