用英文介绍一门课程

1 I like astronomy.
2 I was impressed by the beauty of the sky.
3 Only two things in this world so that our souls are deeply shocked .
4 First,our brilliant stars overhead; First, our hearts lofty moral laws. 
5
6 这个世界惟有两样东西让我们的心灵感到深深的震撼.一是我们头顶上灿烂的星空,一是我们内心崇高的道德法则.