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How far is Mars from Earth?
150 million miles
What is Dr. Robert Howard studying?
Vegetable growing
Why will astronauts need to grow their own food on Mars?
Because there are no supermarkets
What is the minimum shelf life needed for food brought from Earth?
3 years
Which foods might astronauts be able to grow in a Mars greenhouse?
Strawberries and tomatoes
What new technology might help astronauts make food on Mars?
3D printers
What happens to muscles in space?
They get weaker
What happens to bones in space?
They can break easily
What is space sickness similar to on Earth?
Motion sickness (seasick/ carsick)
What is weightlessness?
floating in space
Who completed a triathlon in space?
Sunita Williams
What exercise equipment was used for the space triathlon?
Treadmill and stationary bike
What is terraforming?
Making Mars like Earth
How long might it take to make Mars Earth-like according to the text?
1,000 years
What is the first step in making Mars to live in?
Setting up living quarters
What can help control the effects of weightlessness?
Exercise and special diet
