As described in my previous post (The Future of the Sun), in about 5 billion years time the Sun will swell up to at least 100 times its current diameter and this will make the surface of the Earth far too hot to sustain life. What Sunrise might look like when the Sun is a red… Continue reading The Future of humanity
This is the final post in a series about human efforts to contact extraterrestrials. Today I want to discuss the objects which have already been sent out into interstellar space in the hope that at some point in the distant future an alien civilisation will retrieve and decipher them. The Pioneer Plaque On 3 March 1972 Pioneer… Continue reading Artefacts From Earth
As I discussed in my last post, the search for signs of extraterrestrial life has caught the interest of many people for a very long time, and the specific search for signals from other life forms has been a particular source of fascination over the last 50 years. In the 1997 movie Contact Jodie Foster's… Continue reading SETI
This post is about space tourism, which means ordinary people travelling into space for leisure purposes and paying to do so. This is a subject which has always been of great interest to me and although the market is very small at the moment I think it will grow over the coming decades. With the… Continue reading Space Tourism
For centuries novelists have written about humans living and working on the moon. One of my favourite science fiction novels is "A Fall of Moondust" by the British author Arthur C Clarke (1917-2008). It was written in 1961, before man had ventured into space and when we knew very little about the Moon's surface, but set in the… Continue reading Living on the Moon.