The Cosmology FAQ
Welcome to the Cosmology FAQ
The purpose of this entry is to shine light on the questions I was often asked about, and that made me look like a jackass because I couldn’t answer them. I thought it would be nice to share No seriously. When my passion for astronomy started, I learned a lot of […]
The Big Bang Theory, Part 3: CMB
CMB stands for Cosmic Microwave Background Radiation. And that’s the echo of the big bang, its relic. Let me explain.
The universe was originally made up of hot photons, electrons, and other particles. When protons and electrons combined to form hydrogen because of the expansion of the universe, the photons were able to move freely through […]
Spacetime and Light-Cones
Did you know that there were four dimensions? We are living in a four dimensional world…all the time. And time is the fourth dimension.
It is impossible to imagine a four dimensional space. However we know it exists.
In old theories, space and time were independent from each other. In relativity however time and space cannot be […]
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