text: The author supports his idea very well because he use evidence to say why is it worthy to pursuit Venus. For example, he uses the Astronomers as evidence. As the article says (paragraph 4) "Astronomers are fascinated by Venus because it may well once have been the most Earth-like planet in our solar system...Furthermore, recall that Venus can sometimes be our nearest option for a planetary visit, a crucial consideration given the long time frames of space travel". He also use evidence to show how challenging its to get information about Venus. For example (paragraph 6), "Many researches are working on innovation that would allow our machines to last long enough to contribute meaningfully to our knowledge of Venus".