> Had Jupiter been bigger, it would have been a star, and life on earth would not have existed. Not sure a small star (e.g red-dwarf size) in Jupiter’s orbit w

> Had Jupiter been bigger, it would have been a star, and life on earth would not have existed. Not sure a small star (e.g red-dwarf size) in Jupiter’s orbit would make much difference to Earth, other than it being brighter at night when it’s in the sky.