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Lesson 8: Gravity's Role in the Universe (Space Systems Exploration)
Vocabulary for Smithsonian STC-MS Space Systems Exploration Unit
Terms in this set (8)
Two or more forces that act on an object without causing a change in an objects motion.
Big Bang Theory
An explanation of the origin of the universe stating that it started small and expanded over billions of years.
When the force of gravity is not consistent and matter collapses upon itself.
Using a planet's gravitational field and motion to change the speed and trajectory of a spacecraft.
An object's tendency to resist change in motion.
The curved path of one object, such as a planet or moon, around a central object, such as a star or planet; to move in a circular or elliptical path around a central object.
The time it takes for an object, such as a planet, to make a complete revolution around a central object, such as a star.
Two or more forces that act on an object, resulting in a change in speed or direction for the object.
THIS SET IS OFTEN IN FOLDERS WITH...
Space Systems Exploration Vocabulary
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