Sun And solar system start like a cloud of dust Wich comes from old supernova. IT should build on Gravity of heavier stuff like iron, gold, lead, uran,Mercury etc. In the center. Like our planet have high concentration of heavy elements, mostly iron. Should not be the same case with every other planet even more with stars? Instead i read of metal hydrogen in core of Jupiter And fusion of hydrogen in Sun. Should not they be full of heavy stuff And the light stuff float out?
In: Planetary Science
For some context, the Sun has about 330 times the mass of the Earth in iron. Jupiter probably has about 14-18 Earth’s worth of rock and iron in its core. It’s just that the iron in the Sun is only ~0.14% of its total mass and that rock is only ~5% of Jupiter. Earth really is made of all the stuff leftover from the Sun, Jupiter, and the other gas giant planets. Earth is *tiny* and represents only 0.0003% of the mass in the solar system.
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