Humans on Mars?

Why do experts believe humans should go to Mars?

• As an insurance mechanism for our species

• To find new resources

• To escape Earth's politics

• For tourism

What was Mars like roughly four billion years ago?

• Extremely hot

• Almost identical to Earth

• Covered in oceans

• Full of life

What does Mars have that suggests it could sustain human life?

• Natural satellites

• Water ice and oxidized soil

• Plentiful wildlife

• Oxygen-rich atmosphere

Who is working on habitats for humans to live in space?

• Blue Origin

• Bigelow Aerospace

• SpaceX

• NASA

What is the biggest challenge once humans get to Mars?

• Building shelters

• Growing food

• Keeping people alive

• Finding water

What are the potential health risks of long-term space travel mentioned?

• Both A and B

• Memory problems and depression

• Increased risk of cancer

• None of the above

What does NASA say about the risk of radiation to astronauts?

• It's too dangerous

• It's manageable

• It's insignificant

• It's unknown

What is the purpose of robots like the Curiosity rover on Mars?

• To entertain the public

• To build habitats

• To find water

• To prepare for human exploration

What does the existence of methane gas on Mars suggest?

• It indicates life

• It's harmful to humans

• It's breathable for humans

• It could be used to create fuel

What is the main reason for colonizing Mars according to the text?

• As a backup for humanity

• For mining resources

• To escape Earth

• For scientific research