7 年前
视频简介
August 1984. During summer vacation Victor stays with his aunt and cousin. The incident at the bridge might not have happened, if it wasn't for his crush on his fifteen-year-old cousin Denise or his fear of the neighbors dog.。本课程讲述了天文学领域三个有趣而又发展迅速的课题：太阳系外行星，黑洞和暗能量。这些课题将明显提高在未来数年我们对天文学的认识。它探讨的不仅是我们现在所了解的也包括我们所不了解的，以及天文学家是如何探索的。。
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