15.Choose all the correct answers to Question 16 of Lab 8: (Choose 4 correct answers)
What sort of events can wipe out life on a planet? How does the likelihood of extinction for life vary depending upon a star system’s distance from the center of the Milky Way?
Extinction events are highly probable in the Milky Way at the Sun's distance from the galaxies center. |
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Extinction events do not include perturbations of the Oort cloud. |
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Extinction events include supernovas |
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The likelihood of extinction increases as you move toward the center of the Milky Way. |
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Extinction events include large asteroids capable of wiping out a planet. |
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Extinction events include radiation from mass falling into the center blackhole. |
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The likelihood of extinction increases as you move away the center of the Milky Way. |
Explanation - Events such as supernova explosions and impacts from larger meteors can wipe out life. As we get closer to the center of the galaxy, events like these are more abundant. The further away from the center we get, these events are less likely to occur
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Therefore, most relevant and correct options are:
Extinction events include supernovas
The likelihood of extinction increases as you move toward the center of the Milky Way.
Extinction events include large asteroids capable of wiping out a planet.
Options which I am not sure but they can also wipe out ( indirectly)
Extinction events do not include perturbations of the Oort cloud
it means gravitational effects from the dark matter can dislodge comets from Oort Cloud and send them hurtling toward Earth.
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