全面警戒:2029年將有小行星襲擊地球!?每年都有不計其數的太空碎屑襲擊地球,在大氣層中燃燒殆盡,成為倏忽即逝的美麗弧線,然而您可曾想像過,地球可能面臨小行星迎面而來的直擊?美國太空總署在2004年聖誕節嚴正發佈新聞稿,宣佈有顆直徑400多公尺的小行星可能在2029年撞擊地球,卻被同一天發生的南海大海嘯新聞所淹沒,遺忘至今……究竟這在地球軌道間徘徊的巨大威脅會不會帶給人類毀滅的命運?還有多少危險的小行星環伺在側?快跟著Discovery 的鏡頭一起關心這刻不容緩的危機吧!
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