One Important Way Astronomers Can Learn in Some Detail About

question 25

Multiple Choice

One important way astronomers can learn in some detail about what happens when galaxies collide is

• A) to watch the Andromeda Galaxy (M31,) which is on a collision course with us, for a decade
• B) to look at the supermassive black hole at the center of the Milky Way
• C) to examine the satellite galaxies presently orbiting the Milky Way
• D) to simulate galaxy collisions on a large computer and watch what the simulation predicts
• E) to look at videos of car accidents that are particularly violent

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