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According to the giant-impact hypothesis, the Moon was created during a collision between Earth and a large object about the size of Mars.

根据“巨型撞击假说”，月球是在地球和一个火星大小的物体相撞时形成的。

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Requesting a Large Object - 2 MB image.

请求大对象——2 MB大小的图片。

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Scientists believe it is evidence that a large object struck Jupiter, cutting a hole in the atmosphere of the huge, gaseous planet.

VOA: special.2009.08.25

And you'll recognize some of the parts of the image, you can see the ribcage here, the bones, you can see the heart is this large bright object down here.

你们会认出图中的一些器官,胸腔在这儿,这是骨骼,心脏是下面这个大而亮的物体

耶鲁公开课 - 生物医学工程探索课程节选

NASA's George Diller said the station is easily visible from Earth because it is more than "It is a large object, getting bigger all the time."

VOA: standard.2010.04.05

Using gravitational microlensing, scientists are able to determine when the gravity of a large object alters the light coming from a star on its way to Earth.

FORBES: The Galaxy May Be Teeming With Nomadic Planets

Then a marine geologist, James Kennett of the University of California, Santa Barbara, said he had found evidence of the impact of a large object from space 12, 900 years ago, in the form of carbon spherules in silt.

WSJ: Matt Ridley on New Support for a Global-Cooling Theory | Mind & Matter

The magnetometer will record what, if any, magnetic field the asteroid has, thus revealing whether it was ever part of an object large enough to have possessed the molten iron core needed to generate such a field.

ECONOMIST: An erotic encounter