It really seems like our universe could be part of a hypersphere, but... it's probably not

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Physics, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for the universe to be isotropic?
It has a special center point.
It is expanding at a constant rate.
It looks the same in all directions.
It has a uniform temperature.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is there no center to the universe according to the cosmological principle?
The universe is expanding uniformly from all points.
The universe has a central black hole.
The universe is shrinking.
The universe is infinite.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the raisin bread analogy explain the universe's expansion?
Galaxies move through space like raisins through bread.
Galaxies move with space as the bread expands.
Galaxies shrink as the bread expands.
Galaxies are stationary while space expands around them.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does gravity affect the expansion of the universe on a local scale?
It reverses the direction of expansion.
It causes galaxies to move faster.
It prevents galaxies from being ripped apart.
It stops the universe from expanding.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for the universe to be 3D flat?
It is a perfect sphere.
It is a two-dimensional plane.
It is expanding into a higher dimension.
It has no curvature on a large scale.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of parallel light beams in determining the universe's shape?
They diverge in a curved universe.
They converge in a flat universe.
They remain parallel in a flat universe.
They form a triangle in a curved universe.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of a hypersphere hypothesis?
The universe has a central point.
The universe is a 3D surface of a 4D object.
The universe is expanding into a void.
The universe is a flat plane.
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