Euclid Space Telescope finds 1.5 trillion orphan stars roaming the Perseus cluster (images)

Using the Euclid Space Telescope, scientists have discovered a whopping 1.5 trillion orphan stars floating through a massive cluster of thousands of galaxies, one of the largest structures in the cosmos.

These orphan stars, torn from their own galaxies, fill the space between the galaxies of the Perseus cluster with ghostly blue light. This so-called ‘intracluster’ light is so weak that it is many thousands of times darker than the night sky above Earth.

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