5 Hazards of Human Spaceflight

What poses a serious risk to astronauts traveling to Mars?

• High-speed internet connection

• Lack of oxygen

• Space radiation

• Alien encounters

How can radiation be used to learn more about biological and mechanical systems?

• By studying the effects of radiation on these systems

• By shielding these systems from radiation

• By completely avoiding the use of radiation

• By ignoring the impact of radiation on these systems

What are NASA scientists studying and developing ways to protect against?

• Effects of gravity on the human body

• Effects of radiation on the human body

• Effects of pollution on the human body

• Effects of temperature on the human body

How does NASA's ground-based research laboratory help in understanding the effects of radiation above low-Earth orbit?

How can radiation exposure impact cognitive and motor function?

Astronauts on the ISS are exposed to about ____ times higher amounts of radiation than on Earth.

• ten

• five

• twenty

• twelve

What are experts developing methods for in spaceflight?

• Monitoring physical health

• Monitoring behavioral health

• Adapting tools and technologies for use in spaceflight

• Detecting and treating late risk factors

What are some areas of research being conducted to address hazards faced by astronauts on long space missions?

• Nutrition and exercise routines

• Virtual reality simulations

• Workload and performance, light therapy for circadian alignment, phase shifting, and alertness

• Weather patterns on Earth

What are some challenges faced by astronauts on a trip to Mars?

• Extreme temperatures

• Lack of oxygen

• Isolation, confinement, sleep loss, circadian desynchronization, and work overload

• High levels of radiation

Astronauts selected to travel to Mars must be carefully...

• chosen

• trained

• supported

• all of the above