In order to turn Jupiter into a star like the Sun, for example, you would have to add about 1,000 times the mass of Jupiter. ... So, Jupiter cannot and will not spontaneously become a star, but if a minimum of 13 extra Jupiter-mass objects happen to collide with it, there is a chance it will.

Can Jupiter be ignited?

The planet Jupiter is the largest in our Solar System, but is it large enough to ignite? Stars burn as a result of thermonuclear reactions deep in their cores. ... This corresponds to about 13 times the mass of Jupiter, meaning that Jupiter itself is incapable of ever 'igniting'.

What if Jupiter became star?

Jupiter would be massive enough to become a red dwarf – a small, cool, hydrogen-burning star. ... By and large, Jupiter turning into a red dwarf wouldn't change anything for life on Earth. But you'd still see it from Earth. A Jupiter-star would appear red and a bit brighter than the Moon at its full phase.