日冕仪的工作特点决定了其对杂散光抑制要求极其严格。
The principle of coronagraph requires that stray light in coronagraph system must be kept at an extremely low level.
它的亮度仅为光球的百万分之一，只有在日全食时或用特制的日冕仪才能看见。
The brightness of its light ball only parts per million, and only in the total solar eclipse or with a special instrument to see the corona.
“如果类地行星很常见，那么第一代配备日冕仪的太空望远镜就能捕获光谱并识别生命迹象，”她说。
"If Earths are common, then the first generation of space telescopes with coronagraphs would get a spectrum and ID signs of life, " she said.
“如果类地行星很常见，那么第一代配备日冕仪的太空望远镜就能捕获光谱并识别生命迹象，”她说。
"If Earths are common, then the first generation of space telescopes with coronagraphs would get a spectrum and ID signs of life, " she said.
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