If you accept the cosmological principle, how can Earth be located at the center of the observable universe? (Select all that apply.)
Earth actually is at the center of our portion of the multiverse.
We cannot observe the entirety of the Universe due to the travel time of photons.
Our observable universe is only a bubble embedded in the larger Universe.
Dark matter filters out light traveling from beyond a certain distance.
We are only able to observe the youngest parts of the universe because the oldest parts no longer produce visible light.
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