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 on the surface of an object,and you have a fairly clear view out into space.It might be very nice,except for one major drawback: You are very squashed.Also,light you observe from distant objects is apparently slightly blueshifted (compared to what it normally looks like) .The surface of the object is composed primarily of carbon and oxygen,and the horizon distance is about the same as that on Earth.By observing the stellar background for a few weeks,you realize that there are several planets orbiting your object.Where are you?
A) You are on the surface of Earth.
B) You are on the surface of a planet that is somewhat more massive than Earth.
C) You are on the surface of a white dwarf.
D) You are "on" an accretion disk around a black hole.
E) You are on the surface of a neutron star.
Correct Answer:
Verified
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
Q33: What are the two key observational facts
Q34: Refer to this scenario for the following
Q35: Refer to this scenario for the following
Q36: Why does the Big Bang theory predict
Q37: The observed composition of ordinary matter in
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