Arianespace’s Ariane 5 rocket with NASAs James Webb Space Telescope onboard lifts up from the launchpad, at the Europes Spaceport, the Guiana Space Center in Kourou, French Guiana, on December 25, 2021. – The telescope, the most powerful space observatory ever built, is now tentatively set for launch on Christmas Day, after decades of waiting. An engineering marvel, it will help answer fundamental questions about the Universe, peering back in time 13 billion years. (Photo by jody amiet / AFP)