Milliman Dangers of Space

Why is "air pressure" dangerous?

• There is too much of it in space
• the body is adapted for the pressure on earth and there is almost none in space.
• It is hot in space
• If pressure is too low, astronauts could freeze

Which of these is accurate?

• Astronauts need oxygen more in space.
• Astronauts need oxygen and they need the suit to filter out carbon dioxide.
• Astronauts use oxygen to get around in space.
• Carbon dioxide in space can be made into oxygen to breathe.

Is there oxygen in space?

• Yes
• no

Astronauts can swim through space.

• True
• False

Which of these explains why micrometeoroids are dangerous?

• They are very small.
• They are bits of dust
• They are small BUT they are moving at thousands of miles per hour
• Too much radiation can kill

Which of these BEST explains why "heat" is a danger of space?

• The sun is in space
• Space can be as cold as -80 degrees Celsius
• In sunlight, a spacesuit can heat up to over 100 degrees Celsius
• They are very small bits of dust

Which of these BEST explains why "cold" is a danger of space?

• The sun is in space
• Space can be as cold as -80 degrees Celsius (or -280 Fahrenheit)
• In sunlight, a spacesuit can heat up to over 100 degrees Celsius
• You need a radio

Why is "communication" a danger of space?

• There is no air.  
• There is no air.  Without air, your voice cannot travel through space.  You need a radio.
• In sunlight, a spacesuit can heat up to over 100 degrees Celsius
• You need a radio

Which of these is NOT an example of dangerous radiation?

• X-rays
• Red light
• Gamma rays
• Solar Flares

Which of these is a complete list of what can happen if an astronaut is exposed to too much radiation?

• illness, health problems, death
• illness
• sickness and hunger
• loss of air pressure