Exploring Mars: Challenges and Possibilities

What is the main reason for the current fascination with Mars?

• It's the closest planet to Earth.

• It has a similar atmosphere to Earth.

• It might have once supported life.

• It's the largest planet in the solar system.

What evidence suggests that Mars once had oceans?

• Volcanic activity.

• Frequent dust storms.

• A line that resembles an ancient shoreline.

• Presence of ice caps.

What is a major health risk for astronauts traveling to Mars?

• Lack of sunlight.

• High temperatures.

• Cosmic rays causing cancer.

• Excessive oxygen levels.

Why is zero gravity a concern for astronauts on a Mars mission?

• It causes vision problems.

• It leads to muscle and bone loss.

• It increases blood pressure.

• It causes dehydration.

What is the proposed initial step before landing humans on Mars?

• Sending robots to build habitats.

• Building a space station on Mars.

• Landing directly on the surface.

• Orbiting Mars to study it.

How often can missions be sent to Mars due to orbital mechanics?

• Every 12 months.

• Every 36 months.

• Every 18 months.

• Every 26 months.

What is a key logistical challenge for a Mars mission?

• Transporting enough supplies.

• Finding a landing site.

• Avoiding Martian storms.

• Communicating with Earth.

What is Bill Nye's stance on colonizing Mars?

• He is undecided.

• He believes Mars should only be explored.

• He supports colonization.

• He thinks Mars is uninhabitable.

What ethical consideration is highlighted regarding Mars exploration?

• The cost of missions.

• The environmental impact on Earth.

• The risk of contaminating Martian life.

• The political implications.

What is the 'prime directive' in the context of space exploration?

• To explore as many planets as possible.

• To prioritize human safety.

• To avoid interfering with other life forms.

• To colonize new planets.