From the Big Bang to Dark Energy

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课程主页: https://www.coursera.org/archive/big-bang

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The University of Tokyo

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Understanding the Universe in which we live and how to probe it can begin with simple daily life experiences such as night and day and the four seasons. Starting from these observations, we will take a journey from our local Earth at the present time all the way to the edge of the universe and back to its birth, learning the techniques and findings in modern physics that provide us this understanding.

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We have learned a lot recently about how the Universe evolved in 13.7 billion years since the Big Bang. More than 80% of matter in the Universe is mysterious Dark Matter, which made stars and galaxies to form. The newly discovered Higgs-boson became frozen into the Universe a trillionth of a second after the Big Bang and brought order to the Universe. Yet we still do not know how ordinary matter (atoms) survived against total annihilation by Anti-Matter. The expansion of the Universe started acceleration about 7 billion years ago and the Universe is being ripped apart. The culprit is Dark Energy, a mysterious energy multiplying in vacuum. I will present evidence behind these startling discoveries and discuss what we may learn in the near future. This course is offered in English.

从“大爆炸”到“暗能量”:最近,我们了解到自大爆炸以来在137亿年中宇宙是如何演化的。宇宙中80%以上的物质都是神秘的暗物质,它使恒星和星系形成。新发现的希格斯玻色子在大爆炸之后的一万亿分之一秒内被冻结到宇宙中,并向宇宙带来了秩序。然而,我们仍然不知道普通物质(原子)在反物质彻底灭绝后如何生存。大约70亿年前,宇宙的膨胀开始加速,宇宙正在被撕裂。罪魁祸首是黑暗能量,是在真空中繁殖的神秘能量。我将提供这些惊人发现背后的证据,并讨论我们在不久的将来可能学到的东西。 本课程以英语提供。

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