To date, astronomers have found nearly 500 alien planets, more than 90 of which cross in front of - or transit - their stars from our perspective.

迄今为止，天文学家已发现近500个外来行星，其中90多个在前面交叉-或过境-从我们的角度来看他们的明星。

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To date, astronomers have found nearly 500 alien planets, more than 90 of which cross in front of -or transit -their stars from our perspective.

迄今为止，天文学家已发现近500个外来行星，其中90多个在前面交叉-或过境-从我们的角度来看他们的明星。

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Nancy is in front of an alien with huge green eyes, which are together as large as her face.

南茜在一个有着绿色大眼睛的外星人面前- - - - -该外星人的两只眼睛加起来和她的脸一样大了。

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Despite its alien looks, the Black Widow is also driven by a simple front-mounted propeller.

ECONOMIST: A personal eye in the sky