Материалы по тегу «Keka Observatory»
It stopped being just a set of glasses in a casing a long time ago: To examine galaxies, stars and nebulae, telescopes are now sent into space and immersed deep underwater. What technologies today help us see far away
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?