20年代，我們對宇宙所有的認(rèn)識都被顛覆了。20世紀(jì)初科學(xué)界的傳統(tǒng)觀點(diǎn)認(rèn)為宇宙是靜態(tài)的、永恒的，但1929年所有的這些認(rèn)識都被改變了。星系們原來不是原地不動而是以驚人的速度在遠(yuǎn)離地球。這就是第一個真實(shí)的大爆炸的證據(jù)。



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Big Bang
Mount Wilson
Los Angeles
Edwin Hubble

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Since the late 1920s, everything we know about how our universe works has been turned upside down. It's important to realize how much our picture of the universe has changed in the last century. At the beginning of the 20th century, the conventional wisdom in science was that the universe was static and eternal. In 1929, that all changed. At the Mount Wilson observatory above Los Angeles, astronomer Edwin Hubble discovered galaxies aren't stuck in one place. Not only are they moving, but they're flying away from Earth at incredible speeds. This was the first real evidence of the Big Bang.