Explore Space Missions
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For as long as there have been people on Earth, we have looked up at the sky and wondered ...
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It was not long after the first space satellites were launched that we succeeded in getting ...
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Satellites and robotic spacecraft are crucial to space exploration. They let us explore space ...
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These are links to other great web sites about Space Missions. But beware: you don't want ...
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Take off on an Exploratour! Click on one of the many tours listed below to follow a guided ...
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Did you know?
What do
White Dwarfs and
Black Holes have in common? Find out in our
Strange Stuff in Space section!
Did you know that most of the matter in the universe is in the plasma state?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
UmbraxUmbra : The shadow cast by a celestial body
Click on the word to find out!
Research Highlights
Scientists have learned that Mount Hood, Oregon's tallest mountain, has erupted in the past due to the mixing of two different types of magma. "The data will help give us a better road map to what a future...
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