Is the Universe Infinite?

Is the Universe Infinite?
By Paul Sutter (https://ift.tt/gFGWqVZ)

The surface of the Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol’ Earth helps us understand what the universe might be doing beyond our observable horizon.

November 23, 2025 at 05:31AM
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