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121, "Cassini will be able to measure the mass of the rings to a few percent," added NASA planetary scientist Jeff Cuzzi, with the Ames Research Center in Moffett Field, Calif. 122, The computative results show that the mass of core obtained according to the virial equilibrium of the dark molecular cloud is larger than one according to the LTE. 123, If I double the mass of my bob at the end of a pendulum, then the vertical component of the tension will also double. 124,