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...
阿克塞尔·阿隆索 海莉·阿特维尔 杰瑞·康威 路易斯·德·埃斯波西托 阿伦·费恩 赛斯·格林 克拉克·格雷格 吉米·坎摩尔 斯坦·李 Ralph Macchio 托德·麦克法兰 帕顿·奥斯瓦尔特 尼科尔·帕尔曼 乔·奎萨达
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