How astronomers used the oldest light to weigh the entire universe
In short: By analyzing the cosmic microwave background, scientists have managed to determine the geometry of space. This lecture by Roberto Trotta explains how we can 'weigh' the cosmos using the luminous echoes of the Big Bang.
The cosmic microwave background represents the oldest light in existence, originating from the primordial explosion known as the Big Bang. By taking exquisitely precise measurements of this radiation, cosmologists can establish the fundamental geometry of our universe.
Presented by theoretical cosmologist Roberto Trotta, the lecture explores the physics behind this celestial echo and the ongoing challenges in understanding our cosmic origins.
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Sources
- Summary by Intellect · source: Weighing the Universe - Roberto Trotta
- Also: Stories by Roberto Trotta
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