The Sun, central to our Solar System, generates energy through nuclear fusion, combining hydrogen into helium. Over billions of years, it will evolve into a red giant, ultimately shedding outer layers to form a planetary nebula and becoming a white dwarf. Life on Earth will become uninhabitable well before these changes occur.
Category: Space
Philae has landed
Like millions over people I was cheered to see that the probe Philae landed successfully on the 67P/Churyumov-Gerasimenko comet after a 6.4 billion km ten year journey. In a mission this complex there will inevitably be a few hiccups and the biggest one so far has been that the probe has been unable to secure itself to… Continue reading Philae has landed
Space the Final Frontier- but where does it begin?
On 24 October 2014 a senior Google vice president 57 year old Alan Eustace (shown below) broke the world altitude record by jumping from a balloon from an altitude of 135,890 feet (41.4 km). When he was interviewed, after he had safely landed, he said: "..It was beautiful. You could see the darkness of space... " This made me… Continue reading Space the Final Frontier- but where does it begin?
Space Tourism
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
Explaining Science 