The exhibition notes tell visitors to “take home a piece of sky”.

展品的注释告诉参观者们“带一小片天空回家”。

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The exhibition notes tell visitors to "take home a piece of sky".

展品的注释告诉参观者们“带一小片天空回家”。

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Visible light telescopes can resolve a piece of sky just a few arc seconds across — at least 60 times a smaller patch of sky than can be resolved with the human eye.

光学望远镜在数角秒内就能获取一张星空图—至少比肉眼能获取的大60倍。

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Demonstrated by Olsson's colleague Hakan Bystrom, it seems more like playing a video game with a cool piece of kit than a weapon capable of blasting an enemy jet out of the sky.

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