Officials at the White House announced a new space policy focused on managing the increasing number of satellites that companies and governments are launching into space.

白宫官员宣布了一项新的太空政策，其重点是对各大公司和政府向太空发射的越来越多的卫星进行管理。

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A number of satellites are now circling the earth.

一些人造卫星现在正环绕地球飞行。

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The past few years have witnessed huge growth in the number of satellites.

过去的几年里，人造卫星大量增加。

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Besides spy satellites, Israel also has a number of communications satellites in orbit.

BBC: Israel launches Ofek 9 spy satellite

Jupiter's nearest rival for having the largest number of known satellites is Saturn, with 30 (of which 13 are irregular).

BBC: More moons for Jupiter

Second, to accomplish a growing array of missions without increasing budget outlays, the Department of Defense decided to load up next-generation satellites with an excessive number of performance requirements, making them exceedingly complex.

FORBES: Lessons For Obama In Clinton's Near-Destruction Of The Military Space Program