The end of the International Space Station?

There have been stories in the news recently that NASA intend to deorbit the International Space Station (ISS) in 2031.  They are largely based upon a recent NASA report outlining the future of the ISS. This report makes interesting reading and describes how NASA will transition away from the ISS towards commercial space stations (which… Continue reading The end of the International Space Station?

Overview of tides

Updated 16 December 2025 Even though the Moon is far smaller and less massive than the Earth its gravitational field still has significant effects on our planet. The most noticeable of these are tides, the periodic rise and fall of sea levels. In this post I'll give an overview of the causes of tides. This… Continue reading Overview of tides

Happy New year 2022

Happy new year to all my readers! Shortly after most of Europe and North America moved back to winter time from Daylight Saving Time, I created a poll to see how  my readers living in these regions felt about the switch. Now that we’ve  entered the  new year, I’ve decided to close the poll and… Continue reading Happy New year 2022

Reducing global carbon dioxide emissions

In early November 2021 much of the world’s media was focussed on the Glasgow Climate Change Conference (also known as COP26). As most of you will know, its key objectives were to get individual states to commit to reduce their greenhouse gas emissions, to end deforestation and to plan to move away from fossil fuel… Continue reading Reducing global carbon dioxide emissions

Understanding Cosmic Distances

I recently read an article from a popular astronomy website called Universe Today. It stated that: “…the CMB [cosmic microwave background radiation] is visible at a distance of 13.8 billion light years in all directions from Earth, leading scientists to determine that this is the true age of the Universe. “ This statement isn’t quite correct.… Continue reading Understanding Cosmic Distances