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The James Webb Space Telescope launches on a mission to see the early universe

The most powerful space telescope ever built lifted off, beginning a journey to observe the first galaxies and distant worlds.

The James Webb Space Telescope, the most powerful and ambitious space observatory ever built, launched successfully this year, beginning a journey that would allow astronomers to peer deeper into the universe and further back in time than ever before, to observe the first galaxies and to study distant worlds.

The launch marked the culmination of decades of work and years of delays on a project of extraordinary complexity and expense, a collaboration among space agencies that represented one of the most significant scientific undertakings of the age. Its success was greeted with relief and excitement.

The telescope was designed to observe the universe primarily in infrared light, enabling it to see through cosmic dust and to detect the faint, stretched light from the most distant and ancient objects, whose light has travelled for billions of years to reach us.

Among its goals were to observe the formation of the first stars and galaxies in the early universe, to study the birth of stars and planetary systems, and to analyse the atmospheres of planets orbiting other stars in the search for signs of habitability.

The observatory faced a daunting deployment, as it had to travel far from Earth and unfold its large segmented mirror and vast sunshield in a precise and intricate sequence, any failure of which could have doomed the mission. The deployment proceeded successfully over the following weeks.

The launch of the telescope promised to open a new era in astronomy, extending humanity's vision to the dawn of the cosmos and offering the prospect of profound discoveries about the origins and evolution of the universe. It stood as a testament to human ingenuity and ambition, and to the enduring drive to understand our place in the vastness of space, carrying the hopes of astronomers around the world as it embarked on its historic mission.