1. In ancient times/these/names/gods/goddesses.

2.For example/Jupiter/identified/Greek god Zeus.

3.Venus/identified/ Romans/goddess/love/beauty.

4.Saturn/name/Roman god/ agriculture.

5. We/land/ spacecraft/Mars/and novelists/write thousands /stories about Martians.

6.However /scientists/not have evidence /intelligent life forms/ Mars.

Sự khác nhau giữa enormous,vast,extensive và massive.