12 Billion Years Old, This Interstellar Comet Is Older than Our Solar System
2 Articles
2 Articles
Nearly a year after its discovery, a new analysis of interstellar comet 3I/ATLAS is adding to our knowledge of the object, while also challenging what we know not only about comets but also about other planetary systems. Now, scientists say the comet may be much older and formed in a more extreme environment than previously thought.
12 billion years old, this interstellar comet is older than our solar system
One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was quickly recognized as something special.
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