詹姆斯·韦伯望远镜发射时照亮了天空
NASA’s James Webb Space Telescope, or JWST, launched aboard Arianespace’s Ariane 5 rocket on Saturday, Dec. 25, 2021, from the ELA-3 Launch Zone of Europe’s Spaceport at the Guiana Space Centre in Kourou, French Guiana. JWST is an infrared telescope with a 21.3 foot (6.5 meter) primary mirror. The observatory will study every phase of cosmic history—fr...