RC Drill Set 5, Question 7

DetailDifficulty2 of 5
Passage 1A Mars mission that prepares its destination before sending the crew
The question

Many people are skeptical about the feasibility of(451 more words not shown)

The passage identifies each of(16 more words not shown)

Reading the passage

The conventional plan requires an enormous fuel load, limits the crew to about 30 days of exploration, and creates a long journey with prolonged exposure to radiation. Those are the problems we've read. This EXCEPT question asks us to find the concern that wasn't identified, even if it sounds reasonable in real life.

Working the answers

  • A
    Correct

    The cost of supplies for an extended stay isn't identified as a conventional-plan problem. The limited supplies are a logistical constraint producing a short stay; no financial cost of extended-stay provisions is given.

  • B

    The 30-day stay explicitly restricts exploration and experimentation, so this is a stated problem.

  • C

    A direct Earth launch would consume “an impractical quantity” of fuel. That problem motivates the orbital platform.

  • D

    The orbital launch windows make short-stay missions require longer travel. The extra transit time is expressly discussed.

  • E

    The long flight exposes the crew to harmful interplanetary radiation. That is one of the identified problems, so it isn't the exception.

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