This fall, NASA and the Department of Energy plan to invite proposals for a $600 million satellite mission devoted to dark energy.
今年秋天，美国宇航局和美国能源部计划斥资六亿美元展开旨在暗能量探测的人造卫星计划。
The White House office — which had approved the flying photo opportunity but ordered that the public be kept in the dark about the flight plan — said the Air Force was handling the issue.
是白宫办公室批准了这次飞行拍摄任务，并要求将这一飞行计划向公众保密，他们的回答是空军部门正在处理这一问题。
The White House office — which had approved the flying photo opportunity but ordered that the public be kept in the dark about the flight plan — said the Air Force was handling the issue.
是白宫办公室批准了这次飞行拍摄任务，并要求将这一飞行计划向公众保密，他们的回答是空军部门正在处理这一问题。
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