Which gas do astronauts primarily breathe on the ISS?

Which technology is used for growing plants on spacecraft?

What is the biggest health risk to astronauts beyond low Earth orbit?

What do astronauts use to breathe during spacewalks?

Astronaut suits protect against harmful radiation mainly using

What is the main challenge in cooking food in space?

Which organ is most affected by fluid shifting in microgravity?

Which device helps astronauts navigate in space during a spacewalk?

What is a spacewalk also known as?

Solar panels on the ISS provide