小红点：詹姆斯·韦伯太空望远镜揭示的神秘古老天体

Astronomers are racing to understand mysterious ancient objects that pepper images taken by the James Webb Space Telescope BY REBECCA BOYLE Dots Rebecca Boyle is a Scientific American contributor and an award-winning free- lance journalist in Colorado. Her newest book, Our Moon: How Earth's Celestial Com- panion Transformed the Planet, Guided Evolu- tion, and Made Us Who We Are (Random House, 2024), explores Earth's relation with its satellite. WHEN ASTRONOMERS GLIMPSED the first images from the James Webb Space Telescope (JWST) in July 2022, they saw the kind of universe most of them have come to expect. There were dazzling blue bursts of light, glowing trails of stardust, curtains of gas backlit by the birth of stars. …