Researchers Say Gardom’s Edge Monolith Is Astronomical Marker A team of researchers from the Nottingham Trent University has suggested that a 4000-year-old unique triangular shaped monolith, known as the Gardom’s Edge monolith, was aligned to be an astronomical marker. The 2.2 meter high monolith, located in the Peak District National Park near Manchester, UK, has a striking, right-angled triangular shape that slants up towards geographic south. The orientation and inclination of the slope is aligned to the altitude of the Sun at mid-summer. The team believes that the monolith was set in place to give symbolic meaning to the location...