As I complete this post from my home in Manchester, England, it is 4:30 pm and already fairly dark outside. Many people think that it will continue to get dark earlier each day in the afternoon until we reach 21 December, the winter solstice. This, however, is not the case. The evenings in fact start to draw out… Continue reading The darker mornings
This post talks about two interesting effects to do with the way it get dark after the Sun has set. The first one, which anyone who has travelled to places lying at different latitudes will have seen, is that the closer you are to the equator the quicker it gets dark after the Sun has… Continue reading The long summer evenings
The June solstice will fall on June 20 or June 21 this year, depending on where you are in the world. It is the longest day in the northern hemisphere and the day when the Sun is at its highest in the midday sky (see note). The origin of the word solstice is from the Latin words sol,… Continue reading June 20- The Solstice
Today I want to give the scientific explanation for something we all love to see (especially if, like me and Mrs Geek, you live in rainy Manchester) - the blue sky. I will also discuss the colour of the skies on the Moon and Mars, two faraway places where spacecraft have landed and taken photographs… Continue reading Why is the Sky Blue?
On 28 September 2015 there will be an total eclipse of the Moon, which will be viewable from many areas of the world. It will be an interesting sight and worth getting up at an unsociable hour to see it, especially since there won't be another total lunar eclipse until 2018. The Moon during a recent… Continue reading Lunar Eclipse 28 September 2015
The June solstice, which for most of the world will fall on June 21 this year, is the longest day in the northern hemisphere and the day when the Sun is at its highest in the midday sky (see note). The origin of the word solstice is from the Latin words sol, which means Sun, and sistere, to stand… Continue reading The June Solstice