Interstellar comet may be oldest object seen in our solar system, scientists say
The interstellar comet 3I/Atlas, only the third object ever observed entering our solar system from outside it, may be nearly 12 billion years old—far older than the Sun. New data from powerful telescopes, including the James Webb Space Telescope, show it has a chemical composition unlike any known solar system object, including unusually high levels of heavy water. Scientists believe it likely formed in an … Continue reading Interstellar comet may be oldest object seen in our solar system, scientists say
