Playing is Learning
Our Sun
October 11th, 2016
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Play the Challenge
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A New Word is Coined A new Character is revealed A new Game is Afoot |
An Edutainment Adventure Based on Three Rounds of Investigations
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Welcome to the World of PROFESsee™by seeCOSM™ PROFESsee™ is my title. I am the perpetual learner, in pursuit of knowledge, wisdom and truth. I derived my name from professor |
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About our Sun’s core… well I would say that it is very hot and that there is nothing smiley about it… like, remember how we used to draw the image of the Sun in early elementary school? You know, big round figure with a smile? Yes you do. The Sun is very hot, much hotter than a baking oven, especially the core that extends from the center to about a quarter of its radius. With temperatures going to about 15 million, did I say “going to”? That is wrong. They exceed 15 million Kelvin. Our Sun’s core is believed to have a density of 150 times that of water. The core’s temperature is an estimated 15.7 million K compared to its surface of 5778 K, and you thought a foundry’s 1600 oC is high! The core produces energy through nuclear fusion in a process referred to as proton-proton or p-p. The energy produced at the core then travels through many layers and then escapes into space as particle kinetic energy or Sunlight. The fusion power in the core is depended on the distance from the center. The high power output from the core is not due to its tremendous power but due to its gigantic size. The fusion process found in the core is always in a state of self-equilibrium because a higher rate of fusion causes the core to expand and push out the covering layers. This reduces the fusion and corrects any imbalances in the process. Lower rates cause a shrink in the core and this increases the fusion back to the normal rate. It would take about 30 million years to stabilize the Sun if energy generation in the core was to be disturbed in any way. Can you Zoom to the Sun's core? Image courtesy of: http://www.iter.org/factsfigures |
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