Explore Space Missions
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?
Spreading ridgexSpreading ridge : An oceanic spreading ridge is the fracture zone along the ocean bottom where molten mantle material comes to the surface, thus creating new crust.
Click on the word to find out!
Research Highlights
The Earth's mantle is a rocky, solid shell that is between the Earth's crust and the outer core, and makes up about 84 percent of the Earth's volume. The mantle is made up of many distinct portions or...
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