內彗發 的英文怎麼說
中文拼音 [nèihuìfā]
內彗發
英文
inner coma-
That rare material, sometimes seen in meteorites that have roamed the inner solar system, had never before been detected in a comet
有時可以在內層太陽系遨遊的隕星中發現這些稀有的物質，而此前從未在彗星中發現過它們。A journalist is sent to investigate a suspicious mining company spending billions burrowing into a mountain. inside the mountain she finds an underground city and learns of tycus, a comet twice the size of the earth, hurtling towards us
一記者發現一神秘公司在山洞內建造規模大的地下城，更得知一驚天秘密，原來一顆大彗星正高速沖向地球。Radioisotope dating of the impact - melt samples ? rocks that melted when an asteroid or comet struck the moon, therefore revealing when an impact occurred ? shows that all these basins formed in a narrow interval between 3. 9 billion and 3. 8 billion years ago
利用放射性同位素為撞擊熔融物（在小行星或彗星撞擊月球時熔化的巖石，因此它們能顯示撞擊發生的時間）定年，顯示這些盆地都在39 ~ 38億年前一個很短的時間內形成。
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