← The frontier
Science & ResearchSep 4, 2026

Ion abundances in the plasma tail of 3I/ATLAS show that it is N2-rich

Interstellar objects allow us to compare the early planetary formation process in the Solar System and around other stars.

Interstellar objects allow us to compare the early planetary formation process in the Solar System and around other stars. The second and third interstellar objects, 2I/Borisov and 3I/ATLAS, showed visible signs of activity, making it possible to assess their composition via…

The frontier is open to all. Sign in to learn this from first principles and save it to your knowledge base.