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impact crater 【地質學;地理學】撞擊圓坑,隕石坑。

impact law

Finding a reasonable candidate for an impact crater marked a turning point in the search for the causes of extreme climate perturbations and mass extinctions ? away from earthly sources such as volcanism and toward a singular , catastrophic event 針對地球上氣候大變動、生物大滅絕的研究,從此發生了重大轉折,因為學者找到了一個合理的隕石撞擊點,就不再只是著眼于地球內部的肇因,例如火山活動,他們開始認為整個事件源自非比尋常的大災變。

The topographic map produced by clementine ' s laser ranger revealed the astounding dimensions of the spa basin , which stretches 2 , 600 kilometers across , making it the largest impact crater in the entire solar system 克萊門蒂號的雷射測距儀制作的地形圖揭露出spa盆地驚人的大小:寬達2600公里,是整個太陽系最大的撞擊隕石坑。

Dark patches of ancient terrain are broken up by swaths of brighter , younger material , and the entire icy surface is peppered by more recent impact craters that have splashed fresh , bright ice across the surface 黑色古老地形的碎片被更明亮、更新物質分割開,整個冰封的表面不斷的被更新的隕石砸出的新鮮、明亮的冰更新著。

Despite its flimsiness , tempel 1 has an almost planetlike surface , covered with what appear to be impact craters ( the first ever observed on a comet ) , cliffs , and distinct layers 除了結構松散之外,譚普一號有著近乎行星般的表面,其上滿布著像是沖撞后所留下的坑洞(這在彗星上是首次被觀察到) 、斷崖和多層次結構。

Appearing at first glance to resemble the human brain , the natural phenomena that created the unusual texture on the floor of this martian impact crater are currently under investigation 乍看之下,這個火星隕石坑的底部很像是人類的腦部組織,不過造成這個不尋常紋路之自然現象為何,現在仍然在研究之中。

The many impact craters that have pocked our moon and earth reveal our solar system can be like a shooting gallery , with asteroids and comets regularly striking planets and their companions 我們的月亮和地球上密密麻麻的碰撞環形山可能和射擊場相似,小行星和彗星經常碰撞行星及其伴星。

On a simulated lunar surface , visitors can create impact craters by dropping “ meteorites “ . a cross - section of a meteorite can also be examined through a microscope in this area 觀眾可在一個模擬的月球表面投下隕石,看環形山如何形成又可利用顯微鏡觀察一塊隕石的橫切面。

That indicates that scattered rocks associated with young impact craters are more likely the causes of the high cpr 這表明與年輕的撞擊坑相關的散布碎石很可能是高cpr的原因。

Impact craters have some special features , for example , there are some ray systems and central mountains 撞擊坑典型的特徵包括輻射紋和坑中心的小山丘。

The age of each flow can then be determined by measuring its density of impact craters 巖漿流的個別年齡可以藉測量其撞擊隕石坑的密度而決定。

Often icy moons in the outer solar system boast large impact craters 通常太陽系外圍冰冷的月亮上有比較大的碰撞坑。