The most ambitious and costly telescope ever built was fired into space on Christmas Day, with the aim of seeing deeper into space — and therefore further back in time — than ever before.
世界上最雄心勃勃、最昂貴的太空望遠鏡于圣誕節發射升空，其目的是觀測更深處的太空，也就是比以往任何時候都更久遠的時間。
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