Webb's Cosmos

The James Webb Space Telescope launched on December 25, 2021 and arrived at its 1.5 million kilometres (930,000 miles) from Earth 29 days later. Six months after that came its first full-colour scientific image: galaxy cluster SMACS 0723 - a piece of sky four billion light years from Earth that appears so tiny it would be hidden behind a grain of sand held at arm’s length, yet Webb showed it contains thousands of galaxies. This image alone is worth the price of the book, if not the cost of the entire mission. Webb’s Cosmos takes us through JWST’s remarkable story and delves deep into the images that have stunned the world, as well as the science behind them… The images take centre stage, and rightly so – they are stunning – but the science is never glossed over. Each chapter starts with a clear explanation of the cosmic processes at play… This beautiful book is an excellent overview of JWST and its initial discoveries, and a detailed introduction to the wonders it’s revealing. And this is only the start of the mission! – Jenny Winder, BBC Sky at Night Magazine

Marcin Sawicki is a professional research astronomer who has been involved with the James Webb Space Telescope Project for more than two decades and is now extensively using Webb for research. He is the co-author of 20 research papers based on data taken with Webb. A professional educator and experienced science communicator, Sawicki is Professor of Astronomy and Physics at Saint Mary’s University and has held prestigious appointments: Canada Research Chair, Canadian Space Agency Science Fellow and Plaskett Fellow.

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