Find the acceleration of our galaxy, the Milky Way, due to the nearest comparably sized galaxy, the Andromeda galaxy (Figure 13.5). The approximate mass of each galaxy is 800 billion solar masses (a solar mass is the mass of our Sun), and they are separated by 2.5 million light-years. (Note that the mass of Andromeda is not so well known but is believed to be slightly larger than our galaxy.) Each galaxy has a diameter of roughly 100,000 light- years (1 light-year = 9.5 x 10¹5 m).

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Find the acceleration of our galaxy, the Milky Way, due to the nearest comparably sized galaxy, the Andromeda
galaxy (Figure 13.5). The approximate mass of each galaxy is 800 billion solar masses (a solar mass is the mass
of our Sun), and they are separated by 2.5 million light-years. (Note that the mass of Andromeda is not so well
known but is believed to be slightly larger than our galaxy.) Each galaxy has a diameter of roughly 100,000 light-
years (1 light-year = 9.5 x 10¹5 m).
Transcribed Image Text:Find the acceleration of our galaxy, the Milky Way, due to the nearest comparably sized galaxy, the Andromeda galaxy (Figure 13.5). The approximate mass of each galaxy is 800 billion solar masses (a solar mass is the mass of our Sun), and they are separated by 2.5 million light-years. (Note that the mass of Andromeda is not so well known but is believed to be slightly larger than our galaxy.) Each galaxy has a diameter of roughly 100,000 light- years (1 light-year = 9.5 x 10¹5 m).
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