And in the night there is light

In recent years, we’ve heard a lot about light pollution, this being the encroachment of electrical light on the darkness of night. I don’t think anyone denies the benefit of artificial light – for those of us that live in the northern hemisphere, life would be very, very, very (you get the picture, right?) dark …

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This the best of worlds

As per a short little notice in today’s local paper, NASA has come to the conclusion that our galaxy, dear old Milky Way, will collide with the neighbouring galaxy, Andromeda. Fortunately, this humongous pile up is not scheduled to happen for another four billion years or so. Phew; for a moment there I feared extinction …

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