问题标题:
Twoidenticalstarsaremovinginacircularorbitaroundoneanother,withanorbitalseparationof5.WhatisthegreatestdistanceatwhichHST,inbluelight(450μm),couldresolvethestars?HST哈勃望远镜主镜直径2.4米
问题描述:
Twoidenticalstarsaremovinginacircularorbitaroundoneanother,withanorbitalseparationof5.WhatisthegreatestdistanceatwhichHST,inbluelight(450μm),couldresolvethestars?
HST哈勃望远镜主镜直径2.4米
金剑秋回答:
通光口径2.4m的反射式天文望远镜,从紫外到近红外探测宇宙,有光谱仪及高速光度计,恒星所发出的光谱都可以用哈勃来探测得到,所以能探测得到两个恒星相互围绕旋转,望完镜的主镜口径越大,集光能力越强,
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