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identify the phases in the life cycle of small and big stars.
supernova: in this stage_
the star collapses and
produces elements heavier
than iron.
planetary nebula: in this
stage, the star emits strong
energy pulses that push
away the outer layers
creating a cloud of ionized
gas around the core.
neutron star: in this
stage, the star has
reduced to an extremely
dense core.
white dwarf: in this stage,
the star has reduced to a
dense core.
giant
average star
supergiant
massive star
black hole
Answers: 3
Biology, 22.06.2019 09:30, carolinerosewillis
One of the reasons that stars are so large is because
Answers: 2
Biology, 22.06.2019 19:50, chjam265
Select the correct answer from each drop-down menu the images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that the archaeopteryx and bird have wings, while dinosaurs have limhe se it can be concluded that
Answers: 3
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identify the phases in th...
identify the phases in th...