Centaurus A is a galaxy in the constellation of Centarus. It is one of the closest radio galaxies to earth and the supermassive black hole which exists at its centre emits both x-rays and radio waves which have been well studied by astro-physicists. It is sometimes known as a starburst galaxy.
I am semi-retired after a career in medical sciences. I now work from home doing independent research and consultancy amongst other things. One advantage of this is that I do have time to indulge my interests including birdwatching, natural history, steam trains and history particularly ancient history.
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