Compared to the Sun's main-sequence life, how long does that phase last for very massive stars?
Answer
Dramatically shorter, perhaps only tens of millions of years.
While stars like the Sun spend billions of years on the main sequence, for very massive stars, this lifespan is dramatically shorter, sometimes lasting only tens of millions of years.

#Videos
How Quickly Does A Supernova Happen? The Stunning Speed of a ...
Related Questions
What element synthesis marks the absolute wall halting a star's energy generation cycle?For a massive star ten times the Sun's mass, how quickly does the core implode to nuclear density?What force counteracts the crushing force of gravity during a star's main-sequence life?What happens immediately after the iron core surpasses the Chandrasekhar limit?What process drives the visible Type II supernova explosion?If a star's core remnant mass remains between roughly 1.4 and 3 solar masses post-explosion, what compact object forms?What is the fundamental factor determining whether the final remnant is a neutron star or a black hole?How much does the star's core shrink in size during the final implosion phase?What faint signals might be observable in the minutes or hours leading up to the visible supernova blast?Compared to the Sun's main-sequence life, how long does that phase last for very massive stars?