We Don’t Know Why Astronauts Get Motion Sick

Who was the first person to experience space sickness?

• Yuri Gagarin

• Gherman Titov

• Neil Armstrong

• John Glenn

What are common symptoms of Space Motion Sickness (SMS)?

• Headache and fever

• Nausea and dizziness

• Muscle cramps and fatigue

• Blurred vision and hearing loss

What part of your body helps your brain know where your head is in space?

• The eyes

• The stomach

• The vestibular system

• The muscles

What does the Otolith Asymmetry Hypothesis suggest about space motion sickness?

• Astronauts with different sized ears are more likely to get sick.

• One ear being stronger than the other causes confusion.

• Differences in "ear stones" between the left and right ear can lead to more motion sickness.

• Astronauts with more earwax in one ear experience more motion sickness.