10 Astronomy Numbers…
There are some astronomy and physics numbers you just have to know if you’re an amateur astronomer. Here they are:
13.7 billion - Age of the Universe
110 - The number of entries in Messier’s catalog
1642 - Date of Birth of Newton, Date of Death of Galileo Galilei
150 million - Distance between Earth and Sun in Kilometers […]
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The universe was originally made up of hot photons, electrons, and other particles.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 […]
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