Is “Hoag’s Object” an “engineered” galaxy?

The question asked in the title of this post is one I have been pondering for the most part of a decade now, ever since I saw the image, shown in Figure 1, of the galaxy PGC54559 (popularly known as Hoag’s Object) in 2010, following several months of thinking about what Kardashev Type III civilisations might look like.

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Figure 1. PGC54559 (“Hoag’s Object”). Image credit: NASA & The Hubble Heritage Team (STScI/AURA). Acknowledgement: Ray A. Lucas (STScI/AURA). Multiple formats and sizes are available from: http://hubblesite.org/image/1241/news_release/2002-21

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Quo vadis Humanity?

I mentioned last year that I had made a presentation at the Big History Anthropocene conference held in December 2015 at Macquarie University and organised by the Big History Institute. The presentations from that conference can be viewed on YouTube, with the full playlist available at this URL. They are almost universally terrific — it was one of the most engagingly informative conferences I’ve been to, so I encourage you to dip into the playlist. Continue reading “Quo vadis Humanity?”