指向恆星 的英文怎麼說
中文拼音 [zhǐxiànghéngxīng]
指向恆星
英文
star pointing- 指 : 指構詞成分。
- 恆 : Ⅰ形容詞1 (永久; 持久) permanent; lasting 2 (平常; 經常) usual; common; constant Ⅱ名詞1 (恆心...
- 星 : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
- 指向 : directing; sensing; sense of orientation
- 恆星 : [天文學] fixed star; star恆星大氣 stellar atmosphere; 恆星導航 star navigation; stellar guidance;...
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The first one is pointing to the north. note that polaris does move a little bit. the second and the third show the motions of other stars at south and the east respectively
這三幅模擬圖例顯示在北半球可以見到的恆星運動第一幅指向天球北極方向你會發現其實北極星並不是完全固定不動的第二及第三幅分別指向南方及東方。Today many astronomers believe that the various forms seen in planetary nebulae can be explained by one model that we see from different angles. if we sight down the axis of the flow, we see a round nebula like the ring. looking from " above ", the bipolar flows are conspicuous, as with ngc 6302
天文學家相信行星狀星雲的不同形態是基於在不同的觀測角度下的視覺效果,若沿著恆星風吹出的方向望去,則會看見像戒指星雲的結構在頂端觀看,行星狀星雲有明顯的雙極結構例如行星狀星雲ngc6302 ,而在界乎兩者之間,則會看到像行星狀星雲ngc2346的結構。
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