托福词汇的积累是大家在整个托福备考过程当中不可或缺的一个重要部分，是大家在备考过程中首先要攻破的一大难关。这里就为大家带来托福词汇备考之天文类常用词汇，大家一起来学习一下吧。

1 astronomern. 天文学家

During his own tenure as astronomer royal, from 1720 to 1742, Halley studiously tracked the moon.

2 astronomicala. 天文学的, 天文数字的, 庞大的

A man-made clock would certainly prove a useful accessory to astronomical reckoning but could never stand in its stead.

3 astronaut n. 太空人, 宇航员, 太空旅行者

In their most visible work, astronauts will let loose a retrievable satellite carrying a coffin-sized inflatable antenna.

4 astrologyn. 占星学, 占星术

Racing expert John Randall phoned a friend on the ￡1million astrology question on Monday.

5 observatoryn. 天文台, 气象台

The accuracy of global field models depends on the worldwide network of magnetic observatories.

6 telescopen. 望远镜

Details on the moon’s surface can be seen through a telescope.

7 solar systemn. 太阳系

A less-contrived example involves the relation between Kepler’s theory of the solar system and Newton’s.

8 cosmic raysn. 宇宙射线

A stray cosmic ray might do the same thing.

9 cosmosn. (被视作和谐体系的)宇宙

Among the factors that stand out in the Orphic construal of a cosmos is the nature of time.

10 interstellara. 星际的

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