David Seppala-Holtzman - St. Joseph's College, New York
Is the Universe Curved?
Starting from first principles (both mathematical and cosmological) a case is made for the universe being hyper-spherical. The mathematical first principles involve the properties of n-dimensional spheres and the cosmological ones involve little more than the Hubble Constant. We begin by asking how early humans deduced that their world was curved and then move by analogy to the question of how we might know if the universe were curved.
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