Dark Energy The Universe is expanding. But what is fuelling this expansion? Gravity is holding the Universe together but, dark energy, an invisible force, is pushing the Universe apart. Welcome to very new picture of the universe. But even the
Janna Levin shows us how triangles prove the Earth is finite, Sean Carroll does the same, on a grander scale, to prove the Observable Universe is infinite.
Saul Perlmutter “All the distances are getting bigger, every day. So, its still infinite, all the same galaxies are there, its just that we have pumped more space between every point in this infinite universe. That’s really is mind-boggling.”
Professors Anthony Aguirre and Janna Levin consider the ever-expanding universe as stretching space and universal observable view-points.
In an expanding universe every point in space is moving away from every other point in space, regardless of the perspective of the observer.
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