This post, which is the latest in my series on cosmology, is about the ultimate fate of the Universe, a subject which has engaged scientists, philosophers and religious leaders for centuries. There are many possible endings to the Universe, but the outline I will present here, which is sometimes called “The Big Freeze”, is the most commonly held view based upon the known laws of science.
4 billion years in the future – Milky Way and Andromeda merge
As readers of my previous posts will recall, the Sun is one of around 400 billion stars in the Milky Way galaxy and the Milky Way is one of over 200 billion galaxies in the observable Universe (ref 1). Our galaxy, together with the large spiral galaxy in the constellation Andromeda and around 50 smaller galaxies form a collection of galaxies called the the Local Group.
The Andromeda galaxy – the nearest large galaxy to…
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My work background is in operational meteorology and in my career I have been involved in forecasting for everything from bananas to jumbo jets.I joined the Met Office 1974 as an observer at Glasgow Airport. After training as a forecaster, I worked as an Operational aviation forecaster at various defence sites and airports. In 1982, I moved to Glasgow Weather Centre as a forecaster and STV broadcaster till 1988. He then took up a post as Senior Forecaster London Weather Centre, then Senior Forecaster ITV where I qualified as a trainer in presentation techniques for the ITV Association. After being diagnosed with MS, he moved into management and became Head of London Weather Centre in 1997 followed by a period of front-line management for Southern England and Europe covering London and Cardiff Weather Centres and the Met Offices on defence stations from Akrotiri in Cyprus to St Mawgan in Cornwall. He took up the post of Met Office Chief Advisor for Scotland & Northern Ireland in March 2008 and moved to Edinburgh. I retired in September 2014. My one claim to fame is once performed a comedy sketch on TV with Manuel (Andrew Sachs) from Fawlty Towers in support of Comic Relief.
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