Physics > EXAM REVIEW > exams compiled University of New South Wales PHYS 1160 (All)

exams compiled University of New South Wales PHYS 1160

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exams compiled University of New South Wales PHYS 1160unspots are [CHECK ALL THAT APPLY] Select one or more: A. associated with strong magnetic fields. B. regions of the Sun that are hotter tha... n the general photosphere temperature of about 5800 degrees. C. found to vary over a cycle of about 11 years with many more sunspots being observed at the maximum of the cycle. D. seen in active regions of the Sun that appear very bright in ultraviolet images from the SOHO spacecraft. Evidence for the "Big Bang" theory of the universe come from [CHECK ALL THAT APPLY] Select one or more: A. the detection of dark matter in clusters of galaxies. B. the observation that the recession velocity of galaxies increases with distance. C. the presence of the Cosmic Microwave Background. D. the abundances of light elements such as helium, deuterium and lithium. An object which contains the entire mass of a star like the Sun compressed into an object about the size of the Earth is called [Show More]

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