Refer to this scenario for the following questions:
Lost in Spacetime.Just when you thought it was safe to take final exams ...a vindictive multi-dimensional being reaches down (up? over? through?) to Earth and pulls you out of the universe.You are thrown back into the universe at a place of this being's choosing,and she permits you to leave only after you have identified your surroundings.You are subject to several tests.
Through a scientifically unexplainable miracle,you are able to survive in every one of the places you are tested.(Lest you become too comfortable,however,you certainly are able to feel any associated pain due to high temperature,pressure,gravity,etc. ) In each case described below,identify your surroundings.In some cases,the surroundings described may exist only during eras of the universe (past or future) other than our own time;in those cases,you should identify both the place and the time where you are located.
-You are once again in a hot,dense place.You are surrounded by protons and neutrons,some rapidly fusing into helium.You notice that your surroundings are cooling (good,because it's really hot!) and rapidly dropping in density.Within about 3 minutes,the fusion reactions stop.Where are you?
A) You are in the center of a star very much like our Sun.
B) You are in the early universe during the era of nucleosynthesis.
C) You are inside a nuclear power plant on Earth.
D) You are in the center of a star much smaller than the Sun.
E) You are in the center of a massive star near the end of its life.
Correct Answer:
Verified
Q21: Refer to this scenario for the following
Q22: The temperature variations of the cosmic microwave
Q23: Why do we think tiny quantum ripples
Q24: The Planck era is another name for
Q25: Why do we expect the cosmic background
Q27: Refer to this scenario for the following
Q28: Olbers' paradox is an apparently simple question,but
Q29: Refer to this scenario for the following
Q30: Helium originates from
A)stellar nucleosynthesis only.
B)the Big Bang
Q31: What is postulated to have caused a
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