Richard And Jo Demeester's photos with the keyword: astronomy

I have no idea what can be measured on the instruments visible here, but I know, it really does look more like a children's playground than scientific measurement.

No, it's not a skate park. And it's not modern art. These are all centuries old astronomical instruments. Built under the direction of Maharajah Jai Singh II in 1725, there are a multitude of structures designed for taking accurate measurements of the sun, moon, and stars. This giant “staircase” is one of the simpler, being primarily a sundial.