Drag the tiles to the boxes to form correct pairs.
use the hertzsprung-russell diagram to determine which condition describes each star. use the arrows to locate the stars.
. betelgeuse
. the sun
. sirius b
the star can no longer support nuclear fusion because it has exhausted its supply of hydrogen.
the star’s hydrogen supply is running low, so it is fusing hydrogen from outside the core.
the star is experiencing nuclear fusion at its core.