Young Sun-like Stars Are Not As Menacing As Thought

This artist's illustration shows a young, Sun-like star and an orbiting planet. The young star is emitting powerful x-rays that are eroding the planet's atmosphere. This atmospheric stripping likely dooms planets like this from ever being habitable. Image Credit: NASA/SAO/CXC/M. Weiss

These images, released on April 14, 2026, show two open star clusters, Trumpler 3 (left) and NGC 2353 (right). They represent a recent study from NASA’s Chandra X-ray Observatory that shows how young Sun-like stars are dimmer in X-rays than previously thought. This latest study looked at eight clusters of stars between the ages of […]

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