10: The James Webb Space Telescope
The James Webb Space Telescope Photo Credit: Wikipedia Humans have learnt about the solar system and now we are planning to go beyond. To learn about the space beyond our solar system we use space telescopes. Space telescopes do the work of a telescope but these telescopes are placed not on earth’s land but in space itself. Due to their placement in space they give better results and information than other usual telescopes. The James Webb space telescope (JWST) is the most powerful and the costliest telescope ever built. It was made with the joint efforts of National Aeronautics Space Agency (NASA), European Space Agency (ESA) and Canadian Space Agency (CSA). It was sent into space on 25 December 2021 to explore exoplanets. Exoplanets are planets beyond our solar system which orbit another star. In terms of size, JWST is about the size of a football field, and is thus very big. It has 18 mirrors in the front. It can ide