多亏了一打的太空望远镜，太阳活动能够被细致地观测记录下来。
The sun is under scrutiny as never before thanks to an Armada of space telescopes.
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。
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.
火星在冲日时最宜进行望远镜观测，因为这时它离行星地球最近而且在与太阳相对的位置。
Mars offers the best telescopic views at opposition, since that's when it is closest and opposite the Sun in planet Earth's sky.
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