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Message: <blockquote data-quote="KasunKDP" data-source="post: 22739548" data-attributes="member: 494097">If we pour water on the sun with a bucket as big as the sun, will the sun be extinguished?That  much water will actually collapse on itself because of its own gravity  (all matter makes gravity). It will get much smaller because of the  pressure as it collapses, and it will get much hotter at the center  because anything you compress gets hotter. This is because the molecules  have come closer, and so have sort of fallen toward each other. This  means they're moving faster, and that is what heat is - molecules moving  fast.Eventually, they will be moving so fast, that the hydrogen  atoms in the water (which is H2O after all) which will be slamming into  each other from time to time, will begin to fuse together to form  Helium. Sort of like if you slam oranges together hard enough they could  smash through each other's skin and form one bigger mass. When they  fuse, they release even more energy (a whole lot of energy), which makes  their neighboring atoms move faster, and drives the process on. Why is  energy released when fusion happens? Because not all of the hydrogen  becomes the helium - a tiny bit escapes - just like a few fragments of  orange which will splatter. This is the energy which is released -  because ultimately, the matter around us is energy - as einstein showed  by his [FONT=MathJax_Math]E[/FONT][FONT=MathJax_Main]=[/FONT][FONT=MathJax_Math]M[/FONT][FONT=MathJax_Math]C[/FONT][FONT=MathJax_Main]2[/FONT].Eventually  this will make the water 'ignite' into a new Sun itself. That is, it  will get so hot that it will begin glowing. This is how our Sun works  too - by fusing hydrogen into helium at its core, getting hot, and  eventually radiating heat from that.</blockquote>

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