What is the importance of the author using the phrase "cobble together" in paragraph 2?
There is not much money to work with.
What is NASA's claim? (200 for follow up.)
NASA believes they have the right tools to make this mission to Mars happen.
What is the author's overall purpose for writing this text?
To pose a question about colonizing Mars, and present various points of view about the topic.
What is the reasoning behind this claim?
NASA test fired part of a new rocket that they say will be needed to go out deep into space.
How does the structure of this text affect the author's purpose?
The author asked a question in paragraph 2 and each expert answered the question. The author uses the expert responses to develop their own position on the topic.
How does the Mars Society's (Robert Zubrin) claim differ from NASA's?