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Moon Base to Mars

Returning to the Moon and then reaching Mars requires keeping people alive far from Earth. A base must supply air, water, food and power, while a Mars trip adds months of travel and long communication delays.

In the picture

  1. Sealed habitat module: a closed environment must recycle air and water.
  2. Dome greenhouse: growing food on site reduces supplies carried from Earth.
  3. Surface rover: crews need vehicles to explore and gather resources beyond the base.
  4. Transfer vehicle near Mars: the long distance means months of travel and delayed communication.

Examples

  • A submarine recycles air and water for its crew during long dives.
  • A remote research station carries fuel and supplies because the nearest town is hours away.

Quiz: Moon Base to Mars (Age 17)

  1. In a sealed habitat module, what must a closed environment do?

    • Recycle air and water
    • Generate new fuel from sunlight
    • Communicate instantly with Earth
  2. What is the main benefit of growing food on site in a dome greenhouse?

    • It makes radio signals arrive faster
    • It allows the crew to avoid using rovers
    • It reduces supplies carried from Earth
  3. Why can help from Earth not be immediate for a mission to Mars?

    • The crew is unable to communicate with Earth at all
    • Radio signals take minutes to arrive because Mars is far away
    • Earth and Mars are always on opposite sides of the Sun

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Age 17