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How can stars burn without oxygen? - Socratic They are technically not burning Stars do not burn like wood on a fire There is no flame Instead of calling a star a giant ball of flaming gas it should be called a giant ball of nuclear fusion In a star hydrogen atoms fuse with each other to form helium atoms Nuclear fusion releases an incredible amount of energy, some of which is light which is why it appears that it is burning
How does a star form? - Socratic This will cause more mass to be attracted due to gravity after a long period the pressure and temperature at the core will be very high When the temperature reaches about 15 million atn the core nuclear fusion will start and star began to shine In the core 4 hydrogen atoms will fuse togather and form 1 helium atom and about 0 7% mass will be converted into energy picture credit science how
What does it mean when a star dies? - Socratic When the central core of the star become mainly iron, nuclear fusion stops That is the time when iron atoms instead of releasing energy, absorbs energy Soon, the energy absorbed will be released as the star breaks apart in a tremendous explosion called supernova http: www spaceanswers com deep-space can-you-get-a-double-supernova-explosion
What are stars made of? How are they born? - Socratic Most stars are made of hydrogen and Helium THere are huge clouds of gas and dust in the Galaxies They are called Nebula Due to some reason mass gets accumulated at center and this mass attracts more gases Then it become a p-roto star When mass become very huge due to pressure and temperature at about 15 million degree K at center nuclear fusion stars changing hydrogen into helium 4
What is the environmental impact of a nuclear-powered electrical . . . Good question I will argue that a nuclear reactor has LESS an environmental impact than a coal powered fire station A nuclear reactor operates for a year; the bigger ones have a capacity to match or better that of the best coal-fired stations The result is high level waste, but I believe the quantity of high level waste would not fill your bedroom Granted that the waste is still dangerous
How can nuclear energy be used in the future? - Socratic Two possibilities on the horizon - thorium reactors and fusion The nuclear industry is in a slump due to the most recent Fukushima nuclear disaster a few years ago, plus huge construction costs Governments are increasingly fearful of conventional nuclear reactors The costs of building a new conventional reactor is now near $5 billion and most private sector companies don't have that much
Equations of Stellar Structure - Astrophysics | Socratic Where is plasma found in nature? What is plasma? How is it formed in stars and other celestial bodies? What is the difference between a red and brown dwarf? What would stars be like if carbon had the smallest mass per nuclear particle? Can a stars contain mostly one element?
Where are the fundamental forces found? - Socratic The weak nuclear force is mostly found in the sun for it to be able to make energy out of fusion So weak nuclear force is found in all the stars and is the force that creates the energy giving us heat and light
Question #76238 + Example - Socratic Nuclear energy can be utilized in power plants for large cities, to power navy ships, and as nuclear weapons Depending on what you mean by "what is the example of nuclear energy?" there are at least three examples of using nuclear energy for producing electrical or mechanical power The first is a nuclear power plant powering a city For example, the Palo Verde II in western Arizona, is one