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Title: What is the energy source for the Sun? Post by: symbo on Mar 18, 2017 What is the energy source for the Sun?
A) Thermonuclear fusion in the core B) Radioactive decay of the nuclei of heavy elements C) Primordial heat, left behind from when the Sun first formed D) Heat released by gravitational contraction as the Sun slowly shrinks Title: Re: What is the energy source for the Sun? Post by: discoverer on Mar 18, 2017 Content hidden
Title: Re: What is the energy source for the Sun? Post by: symbo on Jul 10, 2017 Thanks for answering, I'll share this with my classmates too
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