Solar energy

The Earth receives more energy from the Sun in a single hour than the whole of humanity consumes in an entire year. In this post I’ll talk about some of the science behind this interesting fact and I’ll also discuss how solar energy is likely to become more important to us in the future. How… Continue reading Solar energy

21 January 2019 lunar eclipse

On the night of 20/21 January 2019 there will be a total eclipse of the Moon, which will be viewable from many areas of the world. This will be worth making the effort to see, especially for my readers in the western USA and Canada for whom it will occur at a sociable hour. The… Continue reading 21 January 2019 lunar eclipse

December 21 2018 – the solstice

This year, the northern hemisphere winter solstice will fall on 21 December in Britain.  On this date there are the fewest hours of daylight and the Sun is at its lowest maximum elevation. The origin of the word solstice is from two Latin words:  sol, which means Sun, and sistere, to stand still. At the time of the winter… Continue reading December 21 2018 – the solstice

Lunar eclipse 27 July 2018

On 27 July 2018 there will be a total eclipse of the Moon, which will be viewable from many areas of the world. This will be the first total lunar eclipse able to be observed in the UK for nearly three years and it will be worth making the effort to see, especially since, for… Continue reading Lunar eclipse 27 July 2018

June 21 2018 – the solstice

This year, the June solstice will fall on 21 June.  In the northern hemisphere, it is the day when there is the most daylight and when the Sun is at its highest in the midday sky.   Sunrise at the solstice at Stonehenge, England - image from Wikimedia commons The origin of the word solstice is… Continue reading June 21 2018 – the solstice