 The more massive the star , the shorter its lifespan , primarily because massive stars have greater pressure on their cores , causing them to burn hydrogen more rapidly . The most massive stars last an average of a few million years , while stars of minimum mass ( red dwarfs ) burn their fuel very slowly and can last tens to hundreds of billions of years . 
 The more massive the star , the shorter its lifespan , primarily because massive stars <a href='got' title='1'><mark>have</mark></a> greater pressure on their cores , causing them to burn hydrogen more rapidly . The most massive stars last an average of a few million years , while stars of minimum mass ( red dwarfs ) burn their fuel very slowly and can last tens to hundreds of billions of years . 
The more massive da star , tdashorter its lifespan , primarily cuz massive stars got greater pressure on their cores , causing them to burn hydrogen more rapidly . The most massive stars last an average of a few million yrs , while stars of minimum mass ( red dwarfs ) burn their fuel very slowly and can last tens to hundreds of billions of yeyrs