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How do elements with atomic numbers greater than that of lithium form?
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
According to information received from radio teslescopes, where is our sun positioned in the Milky Way?
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
Astronomers have discovered vast differences in stars through their observations. One theory used to explain these differences is that
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
Which of the following kinds of stars will have average brightness and temperature?
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
All of the following are true if the Milky Way, except that it
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
Scientists know that the universe is expanding because of
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
What holds planets, stars, gas and dust together in a galaxy?
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
How does a blue star differ from a yellow star?
stars are at different points in their life cycles.
nuclear fusion
main sequence
red shift of distant galaxies.
It is hotter.
gravity
at the end of one of the spirals
is an elliptical galaxy.
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