The Big Bang Theory, Part 1: Redshift
The Redshift was the first element to contradict Aristotle’s view of the universe, which is that the universe is static, never changed, and will never change (except on Earth, where things do change).
When American astronomer Edwin Hubble began to observe galaxies, he noticed that their spectra (what types of light do objects emit: mostly X […]
The Doppler-Fizeau Effect
This effect of physics observed by the physicians Doppler and Fizeau have led to major discoveries in the world of science, and especially in astronomy.
Have you ever asked yourself why, when an ambulance passed, the sound seems deeper when it has passed? Or what really is the sound barrier? These are basically applications of the […]
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