Updated 4 February 2026 As The accidental discovery of the cosmic microwave background (CMB) by Penzias and Wilson in 1964 proved to be one of the greatest scientific discoveries of the early twentieth century and since then has made a huge contribution to our understanding of the Universe. One of the first things it achieved… Continue reading How the Cosmic Microwave Background Changed Our Understanding of the Universe
Revised 1 February 2026 In 1964 two young American radio astronomers, Arno Penzias and Robert Wilson, made an accidental finding which would win them both the Nobel prize and turned out to be one of the greatest scientific discoveries of the twentieth century. The story started when Penzias and Wilson were given observing time on a large radio telescope at… Continue reading The Discovery of the Cosmic Microwave Background
Revised March 2026 The Steady State theory is an elegant alternative to the Big Bang theory of the origin of the Universe . It was very popular among astronomers in the 1950s, but is now obsolete. What is the Steady State Theory? The Big Bang theory states that the Universe originated from an incredibly hot… Continue reading The Steady State Theory
This post continues the subject of dark energy, which, as discussed in my previous post is a mysterious form of energy which makes up about 68 per cent of the mass of the Universe and is the reason why the Universe is expanding at an ever-faster speed. This post will discuss how the percentage of dark energy changes over time… Continue reading Dark Energy Over Time
Updated 20 November 2025 his post covers a brief history of the Universe from the Big Bang until the the present day. This, as I am sure you'll agree, is a pretty big topic so I'll only give a outline of some of the key events and when we believed they happened. This post is… Continue reading The Universe’s History: From Big Bang to Today
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