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Lesson 7: Gravity: Bending Space-Time (Space Systems Exploration)

Terms in this set (11)

Causation
A relationship between cause and effect.
Correlation
The relationship between things that happen or change together.
Gravity
The force of attraction between two bodies that have mass, even though the bodies may not be touching.
Mass
The measure of the amount of matter in a body, usually measured in kilograms or grams.
Orbiter
A type of spacecraft developed to revolve around its target collecting data and images with no intention of landing.
Radius
A straight line segment from the center of a circle or sphere to an edge.
Relativity
A theory developed by Albert Einstein which says that the way anything except light moves through time and space depends on the position and movement of an observer.
Space Probe
A type of technology used to gather data and other information from space and send it back to Earth.
Space-Time Continuum
A mathematical model that combines 3-D space and 1-D time into a 4-D continuous entity.
Surface Gravity
The gravitational field strength at the surface of a planetary body.
Weight
The measure of the force of gravity on an object, usually measured in Newtons.
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