It often stops the view of telescopes on Earth.
它经常使地球上的望远镜无法看到。
The result is a pair of telescopes that can see the past.
这一对望远镜能够看到过去。
The lenses for giant telescopes are very expensive to grind.
磨制巨型望远镜的镜片价格非常昂贵。
I saw them through telescopes from the top of the building.
我从大楼的顶端用望远镜看到了他们。
There are practical upper and lower limits of power for telescopes.
在实际使用中，望远镜有上限和下限放大率。
How did early telescopes evolve?
早期的望远镜是如何演变？
The fishing rod telescopes into its handle.
这钓竿可叠缩进竿柄。
The instrument telescopes so as to fit into this small box.
这台仪器可以收缩，以便装进这个小箱里。
Space telescopes can see objects near the edge of our galaxy.
宇宙望远镜可以看到银河系边沿的物体。
It is so close to us telescopes might soon be able to photograph it.
它近得望远镜能很快地拍摄到它。
Small telescopes see a lot of sky but can detect only strong signals.
小型天文望远镜视场更广但是只能探测到较强烈的信号。
Current telescopes can even see matter disappear into a black hole.
现有的天文望远甚至能观测到物质消失在黑洞的景象。
They use telescopes to obtain information. But this is not enough.
他们用望远镜来获取信息，但这是不够的。
We asked: Auntie, if you know where our telescopes, please let us know okay?
我们问：阿姨，如果你知道我们的望远镜在哪里，请告诉我们好吗？
Dust is nowhere near as hot as a star, therefore optical telescopes cannot observe it.
尘埃温度远不及恒星，所以光学望远镜难以观测到。
The ATCA consists of six radio telescopes in total, each one larger than a house.
天线阵由六个射电望远镜组成。每一个都比一座房子要大。
This is a significantly bigger challenge than getting a few telescopes into orbit.
这个挑战可比向太空中发射几个望远镜要艰巨得多。
This chain eventually led to jet aircraft, nuclear power, and giant radio telescopes .
这一链条后来导致了喷气式飞机，原子能和巨型射电望远镜的发明。
Telescopes were getting better.
望远镜在变得更好。
Telescopes need to be placed in the best possible spot.
望远镜需要放置在最佳的观测点。
Telescopes need to be placed in the best possible spot.
望远镜需要放置在最佳的观测点。
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