early planet 中文意思是什麼
early planet
解釋
早期行星-
For example, if there is a planet orbiting around the neutron star, it will wobble a little and the pulses will come a little early or late. we can then deduce the mass and the radius of the orbit of the planet from the arrival time of the pulses. this is how the first extrasolar planet is discovered
例如假若有一顆行星圍繞一顆中子星運行，它會令中子星出現搖動，引致脈沖的間隔變長或短，由此我們根據脈沖周期的變化，可推斷出行星的質量和軌道半徑，這亦是天文學家找出第一顆地外行星時所用的方法。 -
Early on, dense iron sank out of the magma oceans to form the metallic core, liberating enough gravitational energy to melt the entire planet
更早期的時候，較重的鐵自巖漿海中析出下沉，漸漸形成了金屬成份的地核，下沉時釋放出的重力位能足以把整個地球再次熔融。 -
Nasa ' s opportunity rover sent its first pictures of mars to earth early on sunday, delighting scientists just hours after the unmanned spacecraft successfully landed on the red planet
美國航空航宇局的探測車「機遇號」 ，周日一早把它在火星拍攝的首張照片發回地球，讓科學家格外振奮。這張照片是「機遇號」降落火星，並在登陸四小時后傳回的。 -
And, at several spots on the planet, the ediacaran lagerst ? tten, named after the ediacara hills of australia where the first example was found, harbor strange precambrian soft - bodied fossils and animal burrows, including evidence for early bilaterians
而分佈在地球上數個地區的艾迪卡拉特異埋藏點（命名自首次發現的澳洲艾迪卡拉山） ，裏面藏有奇妙的前寒武紀軟體化石與蟲穴，包括早期兩側對稱動物的證據。 -
Early in the history of the planet, when only sin - gle - celled life forms such as bacteria were around, there was little oxygen in the air
在行星的早期歷史時期，當四處遍布著像細菌這樣的單細胞生物的時候，空氣中的氧含量非常低。 -
Although titan ' s methane almost certainly comes from a nonbiological source, that moon ' s similarities to the early earth could help reveal how greenhouse gases regulated climate in our planet ' s distant past
雖然土衛六上的甲烷幾可斷定為非生物源，但它與早期地球的相似之處，有助於解開遠古時期溫室氣體如何調控地球氣候之謎。 -
The extreme conditions under which the bacteria live bear a resemblance to those of early earth, potentially offering insights into the nature of organisms that lived long before our planet had an oxygen atmosphere
細菌所生存的極端環境與地球早期的環境很相似，潛在提供了洞察那些早在地球形成有氧大氣以前就存在的有機體特性的機會。
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