About 90 percent of the stars in space are ____ stars.
A star begins as a ____, a large cloud of gas and dust.
Our Sun is considered average because its temperature and absolute magnitude place it in the middle of the ____ range of the H-R diagram.
A main sequence star becomes a ____ after it uses up the hydrogen in its core.
What is the area beyond a black hole where the black hole has stopped expanding and matter will no longer be pulled in?
Stars that are not very hot but give off a lot of light are __________.
Please select the word from the list that best fits the definition
Which is the correct life sequence of a star?
Please select the word from the list that best fits the definition
The temperature and brightness of stars are shown on the __________.
Please select the word from the list that best fits the definition
Which type of stars is very hot but gives off little light?
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