The discovery of dark energy

In this post I talk about the unexpected finding made in the late 1990’s that the rate of expansion of the Universe is increasing due to dark energy. This was totally unexpected and won its discoverers the Nobel prize for physics. (This article is one my series on cosmology - the study of the origin… Continue reading The discovery of dark energy

Dark Energy Over Time

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

An overview of dark energy.

Every object humans have ever studied, such as stars, planets (including the Earth), asteroids, gas clouds and living creatures such as ourselves, is composed of ordinary matter, which is made up of atoms. Interestingly, however, ordinary matter only composes 5% of the mass of the Universe. The remaining 95% is made up of dark matter and dark… Continue reading An overview of dark energy.

Happy new year 2015 from thesciencegeek.org

Happy new year to all my readers and followers. I hope you have all enjoyed the festive break and that you have some great plans for 2015.  I have taken a short break from blogging, although during the break I managed to purchase the domain thesciencegeek.org, which will hopefully make my blog easier to find. I… Continue reading Happy new year 2015 from thesciencegeek.org