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A galaxy is moving away from us. Astronomers studying the spectra would notice a shift toward the ____end of the color scpectrum.
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
The types of waves that can travel through space are called ____ waves.
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
The top of a wave is called the -
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
A star's light takes 125 years to travel from the star to our Earth. How far away is the star?
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
Which of the following is NOT a galaxy shape?
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
On the HR diagram, the trend for main sequence stars is -
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
A galaxy is moving toward us. Astronomers studying the spectra would notice a shift toward the ____end of the color scpectrum.
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
If a star is 250 million light years away, the light we see in the sky tonight is how old?
Red
crest
Blue
the hotter the star is the brighter it is.
Rectangular
Electromagnetic
125 light years
250 million years old
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