【标准美音社论】减少对太空危害(1/2)

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【标准美音社论】每天一次，是标准美音每天对东亚区广播的最后一个节目，每天22:55(BST)播出，每次三至五分钟，通常是对当天某一重大事件表态或提出问题，或号召对某事采取行动或对某一新闻人物进行褒贬。
【标准美音 Editorial】02-14-2012
Working To Reduce Hazards In Space

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Photo: NASA
On 21 January 2001, a Delta 2 third stage reentered the atmosphere over the Middle East. The titanium motor casing of the PAM-D landed in Saudi Arabia near Riyadh. (file)
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编辑：清泷夜心
HINTS:
International Code of Conduct for Outer Space Activities
President Barack Obama
2010 U.S. National Space Policy
U.S. Department of DefenseThe United States is joining the European Union and spacefaring nations to advance an International Code of Conduct for Outer Space Activities because the long-term sustainability of our space environment is at serious risk from space debris and irresponsible actors.
President Barack Obama's 2010 U.S. National Space Policy directed that The United States will pursue bilateral and multilateral transparency and confidence-building measures to encourage responsible actions in, and the peaceful use of space.
The United States has been consulting with the European Union over the last four-plus years.  The United States views the European Union's proposed draft Code of Conduct as a good foundation for developing a non-legally binding International Code of Conduct focused on the use of voluntary and pragmatic transparency and confidence-building measures to help prevent mishaps, misperceptions, and mistrust in space.
The U.S. Department of Defense tracks roughly 22,000 objects in orbit, of which 1,100 are active satellites – in other words, about 6,000 metric tons of debris orbiting the Earth.