Well, of course, as soon as anybody did look, which was after about 20 years, when radio astronomy really took off. Because it turned out the universe is absolutely full of all kinds of wonderful things radiating in the radio spectrum, much brighter than the Sun.
但任何人只要去观测过的话 这也是20年后的事情了 那时无线电天文学才真正起步 天文学家这时候才观测得知 原来太空中确实是充满了各种有趣的东西 它们发出的无线电信号也比太阳发出的信号强得多