Horizon looks at dark energy - the mysterious force that is unexpectedly causing the universe's expansion to speed up. The effects of dark energy were discovered in 1998 but physicists still don't know what it is. Worse, its very existence calls into question Albert Einstein's general theory of relativity - the cornerstone of modern physics. The hunt for the identity of dark en...
乔治·卢卡斯 特穆拉·莫里森 雷巴·布尔 杰米·布洛奇 Maureen Bullock 本·贝尔特 杜维因·邓纳姆 戴夫·菲洛尼 乔·庄斯顿 凯瑟琳·肯尼迪 丹尼尔·洛根 Steve Sansweet Pete Vilmur
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