1. In ancient times/these/names/gods/goddesses.
→In ancient times, these are names of gods and godesses
2.For example/Jupiter/identified/Greek god Zeus.
→For example, Jupiter was identified with Greek god Zeus
3.Venus/identified/ Romans/goddess/love/beauty.
→Venus was identified with Romans, the goddess of love and beauty
4.Saturn/name/Roman god/ agriculture.
→Saturn was the name of Romanm the god of agriculture
5. We/land/ spacecraft/Mars/and novelists/write thousands /stories about Martians
→ We landed the spacecraft on Mars and novelists wrote thousands of stories about Martians
6.However /scientists/not have evidence /intelligent life forms/ Mars
→ However, scientists didn't have evidence of intelligent life forms on Mars