例如，电波天文学提供了宇宙微波辐射的观察，而能够探测宇宙之边缘。

For instance, radio astronomy allows observations of cosmic microwave radiation, thus offering a way of detecting the edge of the universe.

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例如，电波天文学提供了宇宙微波辐射的观察，而能够探测宇宙之边缘。

For instance, radio astronomy allows observations of cosmic microwave radiation, thus offering a way of detecting the edge of the universe.

youdao