When Jupiter is undergoing retrograde motion as seen from Earth, you would

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expect the eclipses of Jupiter's mo? 1) When Jupiter is undergoing retrograde motion as seen from Earth, you would expect the eclipses of Jupiter's moons to occur

a. neither
b. several minutes early
c. several minutes late


2) The electromagnetic spectrum refers to

a. the full spectrum of possible wave types including ocean waves, sound, and light.
b. visible light with wavelengths between 400 nm and 700 nm.
c. radio waves, microwaves, infrared light, visible light, ultraviolet light, and gamma waves.


3) The wavelength of visible light is related to its

a. brightness.
b. speed in a vacuum.
c. color.


4) The energy of a photon of visible light is related to the

a. color of the light.
b. brightness of the light.
c. speed of the light.
 
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