How Webb's NIRSpec instrument opened up 200 windows to our origins

Paris (ESA) Nov 18, 2022

Astronomy is driven by big questions, and they don't come much bigger than wondering how the first stars and galaxies began to form - eventually giving rise to our own existence. The answers lie buried in the far distant Universe, so distant that the light traveled billions of years to reach us, carrying the images of the first galaxies forming. This early period, just 200 million years af