An Astronomer Looks at the Zodiac

Or, has your “sun sign” changed after 2000 years?

And did you know that the Zodiac has at least 15 constellations?

This is a little presentation I did last week on the Zodiac for something called the “Encyclopedia Show“. Out of eight ‘acts’ in this cabaret show on “The ZODIACalypse!!!”at a place called The Dunes in Columbia Heights in DC, there were two musical selections, a few poems, a stand-up comic, an interview with a professional astrologer, and some rants and skits.

Most of the presenters (but not all) seemed to be quite skeptical about the many claims made by proponents of, shall I say, ‘traditional’ astrology. At some point the organizers will post a video of the night’s affair, as they have for other ones. Past shows seem pretty good and I may come back to watch more of them, in the future.

My role was as straight man, I guess, narrating a little powerpoint presentation using slides I gathered from many places, including a bunch of beautiful images from NASA’s wonderful  Astronomy Picture of the Day and other places. I actually got a lot of laughs and applause, and a bunch of folks came up and told me they really enjoyed my part. Some of my fellow-astronomer friends came and didn’t regret it either.  It was actually a lot of fun.

Here is the link to the PPT itself on Google Drive. Feel free to use or modify it as you like, and enjoy. And here is a link to a YouTube video of my talk.

NOTE: I see that I got the terms “equatorial plane” and “ecliptic” confused in my talk. “Ecliptic” is the apparent path of the sun through the heavens, i.e. along the Zodiac. The equatorial plane of the Earth is just that, a projection of the Earth’s equator into space. (These two planes are different, as I correctly noted; they form an angle of about 23.4 degrees to each other.) My bad.

image

Here is a slide so you can cut to the chase: what is your sign, really?

traditional and modern zodiacJust for fun, I did a search of the sun-signs of the 44 US presidents. You would think they would all be rather similar, right? Nope. Look for yourself:

presidents and sun signsHowever, that had to be cut from my presentation because it was already too long.

I also wanted to show a short video by magician James Randi where he debunks astrology 100%, but it, too, had to be cut. Here is the link:

Published in: on January 21, 2014 at 6:45 pm  Leave a Comment  
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