Approximately how long does the protostar phase last?*1 point1000's of years1,000,000's of years1,000,000,000's of years

The larger the protostar mass, the ______ its protostar phase will last.*1 pointshorterlonger

The lifespan of a star is determined by...*1 pointIt's colorIt's temperatureIt's mass

Protostars two to eight times the mass of the sun become...*1 pointLow mass starsIntermediate mass starsHigh mass starsBrown dwarfs

A star will spend most of its lifeGroup of answer choiceson the main sequence.as a protostar.inside its planetary nebula.in a sustained helium flash lasting billions of years.in repeated swellings to the red giant.

A star has a parallax of .05", its distance is Group of answer choices5 light years.20 parsecs.200 parsecs.660 light years.