Summer twilight

For those of us in the Northern Hemisphere we are at the time of year when there is the most daylight. In this post I’ll talk about the long summer evenings: not only does the Sun set later at this time of year but the amount of twilight, when the Sun has set but it… Continue reading Summer twilight

Stellar aberration

This post is a bit more technical than usual and discusses stellar aberration, the apparent movement of stars as a result of the motion of the Earth.  It is an interesting case of the application of the scientific method.  Observations were made to test a scientific theory, but unexpected results were found, which in turn… Continue reading Stellar aberration

Easter – 21 April 2019

This year, for the majority of Christians, 21 April is Easter Sunday, one of the most important dates in the Christian calendar. Although Easter is a is a festival celebrating the resurrection of Jesus Christ from the dead, it is also widely marked by non-Christians in the UK, particularly as there are two very welcome public holidays on the preceding… Continue reading Easter – 21 April 2019

An amazing discovery

For those who missed my post on 1 April 2016 here is a re-blog of the amazing discovery of the first intelligent alien life. ---Original post below News is just reaching us of the most amazing astronomical discovery which I am ever likely to experience in my lifetime, one which I never thought I would see.  As regular… Continue reading An amazing discovery

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