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Planetary science
The scientific study of planets including Earth, moons, and planetary systems of the Solar System in particular and the processes that form them.
Industry: Astronomy
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Planetary science
planet
Astronomy; Planetary science
An object in outer space that moves around a star, such as the Sun, and that is larger than an asteroid.
Galileo Galilei
Astronomy; Planetary science
Italian scientist who was the first person to use a telescope to study the stars and planets.
Earth
Astronomy; Planetary science
The planet on which humans live. Earth is the third planet from the Sun and is the fifth largest planet in the Solar System.
interplanetary dust particles (IDPs)
Astronomy; Planetary science
Particles smaller than 10 µm (microns) in size moving in interplanetary space.
antenna
Astronomy; Planetary science
A conductor by which electromagnetic waves are transmitted or received.
longitude
Astronomy; Planetary science
The angular distance East or West, between the meridian of a particular place on Earth and that of Greenwich, England, expressed in degrees or time.
pluton
Astronomy; Planetary science
A body of igneous rock formed beneath the surface of a planet by the intrusion and crystallization of magma.
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