Philippa RoxbyHealth reporter
BBC紀錄片：暗處的鏡頭——調查中國酒店偷拍影片黑市
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"The nebula appears to have distinct regions that capture different phases of its evolution — an outer shell of gas that was blown off first and consists mostly of hydrogen, and an inner cloud with more structure that contains a mix of different gases," NASA's blog post reads. The dark line that runs vertically through the nebula, giving it the cranial appearance, could be the result of "an outburst or outflow from the central star, which typically occurs as twin jets burst out in opposite directions." Both Webb's Near-Infrared Camera (NIRCam) and its Mid-Infrared Instrument (MIRI) were used to document the nebula.，更多细节参见Line官方版本下载
Backpressure: good in theory, broken in practice，详情可参考WPS官方版本下载