The idea that planets only develop when a star reaches its maximum size has been challenged by the observation that stars and planets 'grow up' together.
Some of the oldest stars in the universe, the building blocks for planets like Jupiter and Saturn start to form when a young star is growing, suggests aThe recent findings indicate that stars and planets ‘grow up' together, challenging a leading belief that planets only form once a star has reached its final size.Significantly, it alters our understanding of how planetary systems, including our own Solar System, came to be and may help to resolve a significant astronomical enigma.
"Some white dwarfs are amazing laboratories, because their thin atmospheres are almost like celestial graveyards," said Bonsor. Apparently these substances must have originated from tiny objects like asteroids left over during planet formation. They collided with the white dwarfs before igniting in their atmospheres.
The study demonstrated that "the process of planet formation must kick off very quickly" supporting a growing theory in the field According to the study, the early-formation model is likely accurate, which means Jupiter and Saturn had plenty of time to expand to their present sizes.
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