The University of Toronto team originally thought that the "sparks" might actually be separate objects far past or in front of the Sparkler Galaxy. However, the fact that all three versions of the Sparkler Galaxy show the same dots strongly suggests they are connected. James Webb peers into the ancient pastThe astronomers believe the sparkles are globular clusters like the ones seen around the Milky Way. Crucially, though, we're seeing clusters that are much, much older and were created at a much earlier time in the history of the Universe.

https://interestingengineering.com/science/astronomers-earliest-stars-thanks-james-webb

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