Question

Which of these star phases is not in the life cycle of Sol?

a
nebula
b
main sequence
c
white dwarf
d
protostar

Answer 1

None of the above.

Step-by-step explanation:

A nebula: A star forms from massive clouds of dust and gas in space, also known as a nebula. Protostar: As the mass falls together it gets hot. Main sequence star. Red giant star. White dwarf. Supernova, and the Neutron star or black hole are all apart of the life cycle of Sol.