interstellar comet

A11pl3Z (3I/ATLAS): The Gigantic Interstellar Comet Racing Through Our Solar System!

Learn about A11pl3Z (now 3I/ATLAS / C/2025 N1), only the third interstellar object ever detected—its discovery, trajectory, size, observation plans, and what it means for planetary science.

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Published On: July 9, 2025