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17 Mar 2023
An Ostar (s, = 1049 s-1) illuminates a uniform density nebula. How many B stars (5, = 2 Ã 1047 s-1) would be required to keep the same mass of gas ionized? (Assume that all stellar UV photons are absorbed and that the gas density is the same in both cases.)
An Ostar (s, = 1049 s-1) illuminates a uniform density nebula. How many B stars (5, = 2 Ã 1047 s-1) would be required to keep the same mass of gas ionized? (Assume that all stellar UV photons are absorbed and that the gas density is the same in both cases.)
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