Question

provided following are various stages during the life of a high-mass star. rank the stages based on when they occur, from first to last.

Answer 1

The correct answer for the question that is being presented above is this one:
(1) contracting cloud of gas and dust
(2) protostar
(3) main-sequence O star
(4) red supergiant
(5) supernova
(6) neutron star

Here are the following items to be arranged:
- protostar
- supernova
- contracting cloud of gas and dust
- main-sequence O star
- red supergiant
- neutron star