Galileo and the telescope

Telescopes are instruments which use multiple lenses to produce magnified images of distant objects. It is unclear who invented the first telescope: lenses had been widely used in Europe to correct poor eyesight since the fourteenth century and I expect that, over time, the telescope was actually invented many times by different individuals, who discovered… Continue reading Galileo and the telescope

Dark Skies

"All humans, everywhere in the world and throughout history, have looked up at the sky and wondered at it. This experience is now denied to most people, because of the background light in towns and cities. It is important to ensure that there will be somewhere in England where young people can fully enjoy a cosmic… Continue reading Dark Skies

A Brief History of the Universe

This 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 can only give a outline of some of the key events and when we believed they happened. This post is the second in my… Continue reading A Brief History of the Universe

The Universe Past, Present and Future

The  Universe is all existing matter and space, including all stars, planets, galaxies and the space between them. This post, which is the first in a series, discusses the origins of the Universe and its ultimate future. How large is the Universe ? Our Solar System belongs to a galaxy which we call the Milky Way (shown below).  The… Continue reading The Universe Past, Present and Future