Today is the summer solstice. Happy solstice!
When I was in grade school -- probably some time around 7th grade -- I happened upon an article in Scientific American about the Anasazi Sun Dagger on Fajada Butte in Chaco Canyon. On the solstices and equinoxes, a thin dagger of light is positioned just right so that it moves across a spiral that's carved into the rock.
I was captivated. What an amazing sight it must be, I thought. I wondered if ordinary people were allowed to go see it.
Well, by the time I was old enough to do my own traveling, the answer
was pretty much no. Too many people were visiting Fajada Butte ...
[ 17:35 Jun 20, 2020 More science/astro | permalink to this entry | ]