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第一PPT > PPT課件 > 英語課件 > 外研版八年級英語下冊 > 《We have not found life on any other planets yet》journey to space PPT課件下載

《We have not found life on any other planets yet》journey to space PPT課件下載

《We have not found life on any other planets yet》journey to space PPT課件下載 詳細介紹:

《We have not found life on any other planets yet》journey to space PPT課件下載《We have not found life on any other planets yet》journey to space PPT課件下載

外研版八年級英語下冊《We have not found life on any other planets yet》journey to space PPT課件下載,共20頁。

In the universe, there are many galaxies.

galaxy ['ɡæləksɪ]星系

the Galaxy 銀河系

the Milky Way

planet 行星

A planet can’t shine.

star 恒星

A star can shine. 

Read Para 3 and answer 

1. What have scientists discovered?

They’ve discovered many other galaxies in the universe. 

2. Why is it impossible to imagine how large the universe is? 

Because they are very far away and their light has to travel for many years to reach us.

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