Correcting Scientific Misconceptions: The December Solstice

I am still surprised how many articles on otherwise reputable websites when writing about scientific topics are riddled with errors and have clearly been written by lazy journalists with no knowledge of the subject they’re talking about. One of the worst examples was an article on the December 2023 solstice which recently appeared on a… Continue reading Correcting Scientific Misconceptions: The December Solstice

December 22 2023 – the solstice

This year, the northern hemisphere winter solstice will fall on 22 December.  On this date there are the fewest hours of daylight and, during the day, the Sun reaches its lowest 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 22 2023 – the solstice

Books from Explaining Science 2023

Covers of e-books about SETI, tthe Moon and the planet Venus from Explaining Science

Update 30 August 2025 I have extensively expanded and rewritten all three “A Short Guide to…” e-books. I will make these books available on Kindle for a competitive price. However, in future I won’t do any deals where I offer free or discounted prices on these books for a limited time period.  I believe the books offer… Continue reading Books from Explaining Science 2023

Is the Universe curved?

In this post I’ll talk about curvature, what terms such as flat, positive and negative curvature mean and how this applies to the Universe. I won’t use complex mathematical definitions here, but intuitively curvature is a measure of how much a two-dimensional surface deviates from being flat. This concept can be extended to any number… Continue reading Is the Universe curved?

Rising use of fossil fuels

I was disturbed to read the recent UN report pointing out that the government plans and projections from the major fossil fuel producers would lead to an increase in global coal production until 2030, and in global oil and gas production until at least 2050. This conflicts with government commitments under the Paris Agreement, and… Continue reading Rising use of fossil fuels