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Quasar Lenses

星系壁纸

by NASA, ESA, EPFL Switzerland

NASA Image Library · 公有领域（Public Domain）

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NASA Hubble Space Telescope sharp view was used to look for gravitational arcs and rings which are produced when one galaxy acts as a lens to magnify and distort the appearance of another galaxy behind it.

壁纸设置方法见各平台设置指南。

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