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?
Did you know that most of the matter in the universe is in the
plasma state?
Do you know how the Doppler Effect works?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Shadow zonexShadow zone : The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being b
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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