And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.
威尔逊和彭齐亚斯捕捉人造卫星上反弹回来的无线电波的天线时不经意地发现了宇宙微波背景辐射，而这正是宇宙大爆炸的物理性证据。
Supernova explosions release tremendous amounts of radio radiation, x-radiation and cosmic rays, as well as other elements.
超新星爆炸时发射出大量的无线电射线、X射线和宇宙射线以及其他粒子。
For instance, radio astronomy allows observations of cosmic microwave radiation, thus offering a way of detecting the edge of the universe.
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。
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