Space Vocabulary Question Preview (ID: 40570)
8th Grade Science Space Vocabulary.
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The distance between similar points on a wave
a) Wavelength
b) frequency
c) crest
d) trough
how fast the wave is moving
a) Wavelength
b) frequency
c) crest
d) trough
bottom of the wave
a) Wavelength
b) frequency
c) crest
d) trough
top of the wave
a) Wavelength
b) frequency
c) crest
d) trough
objects moving away from Earth appear to have a stretched out red wavelength
a) red shift
b) blue shift
c) Electromagnetic spectrum
d) nebula
objects moving toward Earth appear to have a compressed blue wavelenth
a) red shift
b) blue shift
c) Electromagnetic spectrum
d) complexity
classification of wavelengths
a) red shift
b) blue shift
c) Electromagnetic spectrum
d) light year
a graph used by astronomers to classify stars by brightness and temperature
a) red shift
b) blue shift
c) HR diagram
d) luminosity
the relative brightness of an object
a) complexity
b) HR diagram
c) luminosity
d) nebula
a cloud of dust and gas that when compressed can form new stars
a) nebula
b) luminosity
c) complexity
d) light year
how simple or detailed something is
a) light year
b) absolute magnitude
c) nebula
d) complexity
the distance that light can travel in one year
a) complexity
b) light year
c) absolute magnitude
d) nebula
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