science.nationalgeographic.com

GLvg TIL that over time a white dwarf will cool into a black dwarf. Given the length of time it takes for this to happen (10s-100s of billion years) and our Universes’s age (~13.8 billion years old), none are expected to exist yet
rdWM TIL that the Krubera Cave in Georgia is the deepest cave on earth, descending over 2 kilometres into the depths of the Earth’s crust.
8v1X TIL this temple, recently discovered in Turkey, suggests Mesopotamians were not the first civilization, by about 3000 years.