To researchers looking for possible exoplanets, Omega Centauri seemed like the perfect spot. Inside the massive star cluster’s core were 350,000 stars that looked like they could contain life-supporting planetary systems, Gizmodo reports. However, after researchers calculated the stars’ habitable zones using temperature, age, and the orbital range at which water might be possible, they concluded the stars were simply too close to each other to sustain life, they report in a preprint on the arXiv server. Their close proximity places any potential exoplanet in danger of orbiting in areas that are either too hot or too frigid to sustain life.
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