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Astrometry
A branch of astronomy that deals with the measurement of the position and motion of celestial bodies.
Industry: Astronomy
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Astrometry
星星
Astronomy; Astrometry
恒星是等離子的由重力在一起發光結合。是來自恒星的光是由其核心中氫的熱核融合產生的。期間超新星核合成 (的恒星爆炸），創建了大多數元素比氦氣重。明星形成時大量的氫、 氦氣和其他物質較少數量的變得足夠稠密，和轉換氫氦中的在發生核聚變的過程。 ...
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