A theoretical cosmic telescope using our own sun could give us detailed images of the mountains, oceans, and maybe even the cities of these worlds in other solar systems. | National Geographic TV

Growth of Satellites in Orbit (1957–2025) This visual simulation shows the incredible growth in the number of satellites orbiting Earth from 1957 to 2025. Starting with Sputnik, the first human-made satellite, follow the expansion of space activity through the Cold War, the space race, and into the modern era of mega-constellations and private space companies. Witness how we reached 4,734 satellites and counting. #Satellites #SpaceExploration #OrbitHistory #Sputnik #SpaceRace #MegaConstellations