The darker mornings

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

The long summer evenings

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

June 20- The Solstice

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

Why is the Sky Blue?

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?

The June Solstice

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