Physicists theorize our universe may have collided with another in the past, creating the Big Bang. Level two of the Multiverse posits endless bubble universes expanding unseen.
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The Moon was born when Earth’s sister planet died in a violent collision: Scientists reveal tragic origin
The Moon has always held a certain mystery, from influencing tides to inspiring mythology, poetry and scientific inquiry. For decades, astronomers have attempted to answer the same fundamental ...
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