SPACE - Introduction

 

1. Space, also known as outer space, is the area directly outside Earth's atmosphere. 
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3. Space technically begins at the Kármán Line, which is about 100 km or 62 miles above the Earth -  more. 
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5. Unlike Earth, there is no air in space, which is why astronauts must wear high-tech spacesuits to make adjustments to the outside of their spaceship.
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7. Why don't they float away from the spaceship?

If  you don't know the answer to 7 see the top picture on my other website here.