Flat, Curved, or Negative: How Universe Shape Affects Fate
The overall shape of the universe is a fundamental question in cosmology, and its geometry has profound implications for the universe’s ultimate fate. General relativity allows for three possible large-scale geometries: flat, positively curved (like a sphere), and negatively curved (like a saddle). Determining the actual shape requires precise measurements of the universe density and … Baca Selengkapnya