In 1988, the International Dark-Sky Association formed.

1988年，国际暗天空协会成立。

youdao

The association also said that standards of training must be raised among flight crews and air traffic controllers as the sky has become ever more crowded.

该协会还表示，必须提高机组人员和空中交通管制员的培训标准，因为空中交通越来越拥挤。

youdao

New results from a premier sky survey by NASA's Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies, though.

不过现在NASA的雨燕卫星在硬（高能）X射线的巡天新成果可靠地显示活动星系核与星系合并的紧密联系。

youdao

Project chiefs will talk to residents, parish councils and businesses to gauge feedback before an application to the International Dark-Sky Association.

BBC: Dark sky protection bid for Northumberland

If approved by the International Dark-Sky Association (IDSA), the skies above the 400 sq mile (1, 050 sq km) of the Northumberland National Park could become a Dark Sky Reserve.

BBC: Northumberland Park bid for dark sky status given backing

The national park applied to the International Dark Sky Association to earn the status, a process that involved having its light pollution levels strictly monitored, and shielding outdoor lighting to make it more dark-sky friendly.

BBC: Five deep dark places for stargazing this summer