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Is Earendel the Universe’s Most Distant Star Cluster?

8/18/2025

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Summary

Story summary

Astronomers propose that Earendel, the most distant star, might be a star cluster.
Discovered by Hubble in 2022, Earendel is located 12.9 billion light-years away, formed 900 million years after the Big Bang.
Research from the James Webb Space Telescope shows Earendel's spectral features resemble those of globular clusters.
Experts call for additional observations, especially microlensing effects, to determine Earendel's true nature.

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Story summary

Astronomers propose that Earendel, the most distant star, might be a star cluster.
Discovered by Hubble in 2022, Earendel is located 12.9 billion light-years away, formed 900 million years after the Big Bang.
Research from the James Webb Space Telescope shows Earendel's spectral features resemble those of globular clusters.
Experts call for additional observations, especially microlensing effects, to determine Earendel's true nature.