text: The writer of this article was very knowledgable about the terms and conditions of mars,and what it would take to be able to do research on the planet itself. The majority of this exerpt consists of diffrences and similarities that venus and our home planet, Earth, have. For example in paragraph 2 the author exclaims that the two planets are referred to as "twins". An example of how they were contrasted, in paragraph 3,"On the planets surface, temperatures average over 800 degrees Fahrenheit, and the atmospheric pressure is 90 times greater than what we experience on our own planet." As you can see, the detailed facts in this exerpt are clearly reliable.