Interstellar Comet 3I/ATLAS May Be 7 Billion Years Old
A new study using NASA's James Webb Space Telescope looked at unusual chemical clues in the interstellar object 3I/ATLAS. The findings suggest the comet may have formed more than 7 billion years before the Sun existed. The clues could reveal the conditions where it was born.
Context
Context: 3I/ATLAS is one of only a few known objects to visit our solar system from interstellar space, after 'Oumuamua and Borisov. Such visitors give scientists a rare sample of material from other star systems.
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