As discussed in my previous two posts our Universe appears to be very finely tuned and is governed by four fundamental interactions. A relatively small increase or decrease in the strength of one of these interactions, such as making the force of gravity weaker or stronger, would make the emergence of life impossible. The four… Continue reading Our finely-tuned Universe part III – Explanations for fine tuning
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Our finely-tuned Universe part II – Examples of fine tuning
In a previous post I talked about the four forces which govern the way the Universe works. I’m now going to give some examples of fine tuning. How different our Universe would be if these four forces had very different relative strengths. But before I do this, it is worth giving a quick summary from… Continue reading Our finely-tuned Universe part II – Examples of fine tuning
June 21 2022 – the solstice
This year, the June solstice will fall on 21 June. As most people know, In the northern hemisphere, it is the day of the year when there is the most daylight and when the Sun is at its highest in the midday sky. The origin of the word solstice is from two Latin words: sol, which… Continue reading June 21 2022 – the solstice
Our Finely-tuned Universe Part I-Fundamental forces
This is first of a series of three posts in which I'll talk about the idea that the fundamental forces which govern our Universe and fundamental constants such as: the strength of gravity, the electric charge of the electron and the amounts of matter, dark matter and dark energy in the Universe have been in… Continue reading Our Finely-tuned Universe Part I-Fundamental forces
The Lyrids 2022
The night of 22/23 April will be the peak of the Lyrids, one of the most famous prolific meteor showers. Meteors (also known as shooting stars) are bright streaks of light caused by small lumps of rock or metal called meteoroids hitting the Earth’s atmosphere at very high speed. As they pass through the atmosphere they get heated… Continue reading The Lyrids 2022
Explaining Science 