Match each term to its correct definition:
A) Protostar
- A hot cloud of gas not quite hot enough for nuclear reactions.
B) Shell of gas
- Gas thrown off by a star when it finishes its red giant stage.
C) Nebula
- Cloud of dust and gas.
D) Main sequence star
- A stable star using hydrogen in fusion reactions.
E) White dwarf
- A small cooling star in which fusion reactions have finished.
F) Red giant
- A star that has used up most of its hydrogen and expanded greatly.
Then, arrange the names in the correct order.
Answer (2)
e
d b
c f
a
from top to bottom
The terms and their definitions have been matched accurately. The evolution of these star types has been ordered as Protostar, Nebula, Main Sequence Star, Red Giant, Shell of Gas, and White Dwarf.
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