83. The Dream of Traveling to Mars
According to the essay, what is a primary reason humans want to travel to Mars?
- To escape political problems on Earth.
- To explore and potentially create a second home for humanity.
- To mine for valuable minerals and resources.
- To prove that a one-way trip to another planet is possible.
How long does the one-way journey to Mars take?
- Several weeks.
- About seven to nine months.
- Over a year.
- The essay does not say.
What is one of the major health dangers mentioned for astronauts during the journey?
- The effects of zero gravity on bone density.
- Loneliness and psychological stress.
- Solar radiation that can cause long-term illness.
- Malfunction of the spacecraft's life support systems.
Why will the first explorers need to live in special habitats on Mars?
- Because the surface is constantly bombarded by meteorites.
- Because the planet is too cold and its air is unbreathable.
- Because they need protection from potential alien life forms.
- Because the habitats will help generate a magnetic field.
What will be a crucial task for technology on Mars, according to the essay?
- Building large, transparent domes to grow Earth plants.
- Finding water ice to turn into drinking water and oxygen.
- Communicating with Earth with less than a 3-minute delay.
- Creating fuel from the rare elements in Martian soil.