The Euclid space telescope has observed a rare Einstein ring formed by the nearby galaxy NGC 6505, demonstrating the warping of space due to gravitational effects. This phenomenon allows astronomers to see a more distant galaxy's light bent around the foreground galaxy. Such perfect Einstein rings are rare and provide crucial insights into dark matter, which makes up roughly 11% of the observed galaxy's mass. The telescope aims to create a comprehensive cosmic 3D map to study dark matter and dark energy, critical components of the universe's structure.
The dazzling image shows a nearby galaxy, NGC 6505, surrounded by a perfect circle of light that reveals the extreme warping of space by a galaxy's gravity.
Einstein rings are a powerful tool for astronomers because they reveal objects that would otherwise be obscured from view and indicate the mass of the intermediate galaxy.
This beautiful, extraordinary, thrilling and lucky find highlights an Einstein ring as perfect as this is extremely rare.
Ultimately, the telescope aims to create the largest cosmic 3D map ever made, inferring the large-scale distribution of dark matter.
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