Mission OBJECTIVES
Webb’s science goals are organised into four themes, addressing some of astronomy’s biggest questions
DID YOU KNOW? One of the JWST’s first science tasks, the COSMOS-Webb survey, will encompass half a million galaxies
1 The COSMOS-Webb survey will explore an area equivalent to three full Moons
2 A NASA artist’s rendering of a powerful quasar, the type Webb will study
3 A star-forming region seen in the infrared by Webb’s predecessor, the Spitzer Space Telescope