Fighting the Loneliness of Space Travel

What is one of the most difficult things astronauts experience when living in space?

• Going on spacewalks

• Using the toilet

• Feeling alone and separated

• Breathing fresh air

What did scientist Michel Siffre want to learn by living alone in a cave?

• How to survive without food for a long time

• How being alone affects a person's body clock

• How to build a safe cave home

• What kinds of rocks are found deep underground

Where is the HI-SEAS habitat located to help scientists study what it's like to live on Mars?

• In a desert in Arizona

• On the slopes of a volcano in Hawaii

• Inside a special building in Texas

• On a remote island in the Pacific Ocean

What technology helped astronauts in a HI-SEAS mission feel closer to their family and friends?

• Regular video calls

• Virtual reality programs

• Sending daily emails

• Listening to music from home