The Hubble Space Telescope has smashed a record, identifying its most distant star ever.
The star is so far away that its light has taken nearly 13 billion years to reach us, meaning it is from the first one billion years after the Big Bang.
The star in question, named Earendel, which means “morning star” in Old English, is massive, coming in at at least 50 times the mass of our sun. It is also millions of times brighter. However, even allowing for its mass and brightness, it is so far away that it was only possible to observe it thanks to a huge galaxy cluster that passed between it and us. The cluster’s gravity is so large that it warps the light coming from the star and acts as a magnifying class.
Observing this star is not only a neat record-breaker, but because it is so old, studying it can give clues about the composition of the early universe.
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