Answer:
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Explanation:
If for any reason the Sun shrank smaller than the Earth, this shrunken Sun wouldn't have the mass to create fusion and would burn out completely. Our solar system would lose its only star. ... Earth's mass would be at least 333,000 times bigger than it is now. Imagine the gravity that planet would have.
In case of nuclear fission, the heavier nucleus captures the neutron and splits themselves into daughter nucleus or small fragments. The sum of mass of the fragments is less than the original mass. The missing mass is converted into energy according to Einstein's mass-energy equivalence relation.
