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Astronomers hope to soon spot the universe’s earliest stellar inhabitants BY JOSÉ MARÍA DIEGO RODRÍGUEZ The First Stars Earendel, the current record holder for most distant star ever seen, is circled in this image from nasa’s James Webb Space Telescope. The star is contained within the Sunrise Arc, a magnified and distorted galaxy from the early universe. O N CHRISTMAS DAY 2021, alongside other astronomers, I watched the James Webb Space Telescope (JWST) launch from French Guiana and begin its month-long journey to its destination, 1.5 million kilometers from Earth. The trip was filled with many nerve-racking moments, particularly the week-long period in which the telescope’s tennis-court-size sun shield array slowly unfolded like origami from its bus-size liftoff configuration. …
摘自《科学美国人》(Scientific American)第334卷 第2期 · 2026年2月刊,José María Diego Rodríguez。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。