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Definitions
Definitions
Definitions
Definitions
Names
100
the color sequence (ROYGBV) that appears when white light is passed through a prism
What is the visible spectrum
100
the speed at which electromagnetic waves travel (in a vacuum); 186,000 miles per second
What is the speed of light
100
an unmanned spacecraft that is launched specifically to explore the unknown
What is space probe
100
any object that orbits a larger object
What is satellite
100
discovered that light is a combination of many colors; discovered laws of motion
Who is Sir Isaac Newton
200
a region in which certain objects are attracted or repelled by the magnet
What is a magnetic field
200
a wave consisting of an electric field and a magnetic field vibrating at right angles to each other
What is an electromagnetic wave
200
the most famous network of navigational satellites
What is GPS (Global Positioning System)
200
a person who journeys into space
What is astronaut
200
discovered electromagnetic waves; realized that light is a type of electromagnetic wave
Who is James Clerk Maxwell
300
a region in which certain objects may be attracted or repelled by an electric force
What is an electric field
300
the term for whatever carries a wave
What is a medium
300
an orbit in which a satellite follows the direction of the earth's rotation in such a way that it stays in the same location in the sky
What is polar orbit
300
stars that produce rapid bursts of radio waves
What are pulsars
300
the first astronomer to make extensive use of a telescope in his study of the heavens; made many important discoveries
Who is Galileo
400
a movement of energy from one place to another
What is a wave
400
the low point of a wave
What is trough
400
an orbit in which a satellite follows the direction of the earth's rotation in such a way that it stays in the same location in the sky
What is geostationary orbit
400
an arrangement of electromagnetic waves according to frequency and wavelength
What is electromagnetic spectrum
400
called the "Father of Modern Rocketry"; built and launched the first liquid-fueled rocket
Who is Robert H. Goddard
500
a back and forth motion that repeatedly follows the same path
What is oscillation
500
the high point of a wave
What is crest
500
a structure in space in which people can live and work for weeks or months at a time
What is space station
500
the length of one complete wave or cycle of oscillation (measured from crest to crest or trough to trough)
What is wavelength
500
helped make the United States the world leader in space exploration; developed the rocket used to carry men to the moon
Who is Wernher von Braun