INTERNATIONA SPACE STATION Theis an orbital facility, approximately 340 km above the Earth. Funded by sixteen nat...
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Binary Star
Introduction Binary Star , two stars that are bound to each other by gravity and orbit about a common center of mass. Binary star syste...
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Milky Way
I INTRODUCTION Milky Way , the large, disk-shaped aggregation of stars, or galaxy, that includes the Sun and its solar system. ...
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Understanding Rocket Thrust
How Newton powers your Rocket The primary goal of a rocket engine is to generate thrust. While most people know what thrust is, many pe...
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