Since microwaves lie outside the range of human vision, scientists need special telescopes to analyze them.

因为微波在人的视力范围之外，所以科学家需要在特殊的望远镜帮助下进行分析。

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What makes this one -- dubbed SN 1979C -- special is that it has been observed over the years with a series of orbiting x-ray telescopes, most lately the Chandra X-Ray Observatory.

使得这个天体（被称为SN 1979C）如此特别的事实在于多年以来它已经被一系列轨道上的X射线望远镜所观察研究，最近的观测是钱德拉X射线天文台所做的。

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Viewing solar eclipses safely requires special filters on glasses, cameras, and telescopes, because looking directly at the sun without such protection can cause eye damage.

安全地观测日食需要特制在玻璃、暗箱或望远镜上的过滤装置，因为没有这样的保护装置直视太阳会导致视觉创伤。

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