Most distant observed star is blue – and it isn't alone
Earendel and its parent galaxy, the Sunrise Arc, are only visible thanks to what NASA calls"its lucky alignment behind a wrinkle in space-time" created by galaxy cluster WHL0137-08. The massive cluster sits between Earth and the Sunrise Arc and has so much gravitational pull it acts like an intergalactic magnifying lens. Hence the apt name for the phenomenon: gravitational lensing.
A zoom-in on Earendel, the most distant-ever observed star, as photographed by the JWST – Click to enlarge. Credit: NASA, ESA, CSA, D. Coe , B. Welch . Image processing: Z. Levay Along with what we've learned about Earendel, NASA said that it's learned some new information about the Sunrise Arc. Astronomers were able to spot star-forming regions – some as young as five million years old – and older established star clusters inside the Sunrise Arc. One discovered star cluster, thought to be around ten million years old, is believed to be gravitationally bound – meaning it likely still exists today.
"This shows us how the globular clusters in our own Milky Way might have looked when they formed 13 billion years ago," the US space agency noted.
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