Discover the enigma of cosmos and join this odyssey of unraveling thecosmic mysteries. Different instruments, apparatus, paraphrenalia,strategies are currently being used for space exploration; Out of allthese techniques, telescopes play a consequential role in thecomprehension of our Universe.James Webb Space Telscope (JWST orWebb) is the largest, most powerful infrared space telescope ever built.JWST has been built with international collaboration of three spaceagencies NASA (National Aeronautics & Space Administration), ESA(European Space Agency) & CSA (Canadian Space Agency) with brilliantminds including engineers & scientists from 14 countries.Thelaunch date of JWST / Webb is December 22, 2021. JWST / Webb will belaunched on an Ariane 5 rocket from Arianespace's ELA-3 launch complexat European Spaceport located near Kourou, French Guiana. With a cost ofaround $10 billion, JWST / Webb will be a premier observatory & asuccessor to Hubble Space telescope.