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Posts tagged astronauts

November 28, 2011


model of the earth

Floating at the Center of the Earth

Here's an odd thing about weightlessness: if it were possible to live in the center of the earth we would be weightless there, too!

June 26, 2009


Space shuttle in space

Shuttle Glow

Did astronauts Jack Lousma and C. Gordon Fullerton see a ghost aboard their shuttle back in 1982? Find out on this Moment of Science.

June 9, 2009


Astronaut floating in space

Worms in Space

Why do we send worms into space? Find out on this Moment of Science.

March 18, 2009


Star Trek's Enterprise ship

Star Trek Tricorders, For Real

Of course, most of the technology on Star Trek doesn't exist for real. But at least one cool bit of Star Trek science has been made real.

January 21, 2009


Competing rowing teams

Rowing in Space

NASA is planning to send astronauts back to the moon for long missions. How are the astronauts going to stay in shape in zero or low gravity?

June 27, 2006



Bed Rest, Space Travel, and Bones

Astronauts and people on bed rest can experience gradual bone loss that increases their risk of fracturing a bone. Here's why.

December 1, 2003


Hand Gestures

What role do hand gestures play in regular conversation? Find out on this Moment of Science.

November 21, 2003


Waving a Flag on the Moon

You might have seen pictures of the American flag waving on the moon. Did that occur to you as being kind of odd? How did they get it to "wave."

September 27, 2003


Freeze Drying

If you’ve ever been to the Air and Space Museum in Washington DC, perhaps you’ve sampled the kind of freeze-dried ice cream astronauts eat during space missions. A stiff, dry square, the freeze-dried version tastes just like ice cream, except that it isn’t cold, and has no moisture.

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