【编者按】听力辅导：托福听力主题词汇分享之天文词汇
主题之一: 天文
Theme One: Astronomy
astronomer astronomical astronaut
astrology observatory telescope
solar system cosmic rays cosmos
interstellar intergalactic galaxy
The Milky Way The Big Bang comet
asteroid satellite meteor
meteorite revolution rotation
radiation constellation cluster
lunar eclipse velocity
corona terrestrial planetary
exploration hypothesis assume
collision supernova nova
light year gravitation nebula
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.