How Old Is Interstellar Comet 3I/ATLAS? Scientists Think They Finally Might Know the Answer.

New James Webb observations suggest interstellar comet 3I/ATLAS contains ancient ice that may have formed up to 12 billion years ago.

https://www.vice.com/en/article/how-old-is-interstellar-comet-3i-atlas-scientists-think-they-finally-might-know-the-answer/