Small meteorites have left impact craters all over the planet’s surface.
这个行星表面布满了小块陨石撞击坑。
The metallographic cooling rate was measured for the Deng Ujimqin mesosiderite using And profile ac concentration vs.
采用剖面中间浓度与镍纹石带宽度关系测定了东乌珠穆沁中铁陨石金相冷却速率，其冷却速率介于0。
Bright ejecta rays such as these are produced as impacts excavate and eject relatively unweathered subsurface material.
这些放射状陨石坑产生于天体撞击溅出地物质，延在遍布陨石坑水星表面数百公里。
A micrometeorite impact, a snag, a wayward tool or even a misstep can spell doom for an astronaut.
太空人只要给颗微陨石撞上、给钩住、个工具失灵、甚至次失足，都可能万劫不复。
He discovered an unusual meteorite.
他发现了块奇异陨石。
Some people have reported seeing more semivolatile elements in a class of interplanetary dust particles (IDPs) called “chondritic porous” IDPs.
曾有人报告在称作“多孔球粒陨石”行星尘埃颗粒（IDPs）中见到了较多半挥发性元素。
Simply introduce the aerolith epigraph of Ming Jiajing, enumerate the lists of inscriptions and horizontal tablet of mosques in Datong area.
随后简单介绍了明嘉靖丙午陨石题记，列举了大同辖域清真寺碑刻匾联名单。
If you look over the element ratios we measured, you might conclude that our comet particles look more like chondritic porous IDPs than CI chondrite meteorites.
如果你查看我们测定元素比率，你将得出结论——我们彗星颗粒看上去更接近多孔球粒陨石IDPs而不是CI球粒陨石。
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Meteoroids become meteors when they enter our atmosphere and meteorites when they hit the ground.
入地球大气层时会变成，撞击地面时变成陨石。
Meteorites are rocks from space that have hit the ground and we have recovered.
“Meteorites（陨石）”是我们已经找到的，从太空撞到地面的岩石。
Scientists believe it was just a meteor not a meteorite.
科学家认为这只是个，而不是陨石。
This is one of the hallmarks of impact craters.
陨石坑都有这样的特点。
He reached this conclusion after studying a meteorite.
这是他研究块陨石后成的结论。
And the composition of that meteorite, is very consistent with the composition of Baptistina.
那个陨石的成分，与巴蒂斯缇娜其实非常致。
The Union said it was just too small to clear its path.
联合会称冥王体积太小以至于无法清理轨道上的其它陨石。
The planet's gonna undergo this meteoric bombardment for, like, 5,000 years.
球将遭受大概五千年的陨石轰炸。
In 2019, a meteorite struck a doghouse in Costa Rica.
2019年，颗陨石砸到了位于哥斯黎加的舍。
The stone called lonsdaleite came here on a meteorite.
这种叫做朗斯代尔石的石头来自于这里的块陨石。
The site of a lake formed more than 3.5 billion years ago.
这个陨石坑形成于35亿年前。
And in these meteorites there were from 60 to 80 amino acids.
在这些陨石中有60到80个氨基酸。
This crater hints at the size of the explosion in western Ghana.
这个陨石坑暗示了加纳西部爆炸的规模。
The young Earth was once completely covered by impact craters.
年轻的地球曾经完全被陨石坑覆盖。
But the meteorite Peary took is still there.
但皮里带来的陨石仍然在那里。
No only here at Meteor Crater but anywhere in the Solar System.
不仅仅在这个陨石坑里太阳系所有的陨石坑都如此。
What was missing from the story, though, was a suitable crater.
只不过这个故事里还缺个部分—个合适的陨石坑。
Last year Dr Tohver and his colleagues thought they might have found it.
去年，托瓦尔博士和他的同事表示他们也许找到这个陨石坑了。
That's when most of the highland cratering occurred.
那就是月陆陨石坑的形成时期。
Scientists will compare samples taken from salda to the suspected carbonate materials detected at Jezreel.
科学家们将把从萨尔采集的样本与在耶斯列陨石坑发现的可疑碳酸盐物质行比较。
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划词翻译
详细解释
表面布满了小块陨石
延在遍布
颗微
称作“多孔球粒
入地球大气层时会变成
成的结论。
舍。
球
