Nickel traces suggest proximity to warm, dust-rich environments during formation, while intact cyanide and preserved volatiles indicate freezing conditions. This combination points to 3I/ATLAS forming just beyond the snow line of its home system,…

Nickel traces suggest proximity to warm, dust-rich environments during formation, while intact cyanide and preserved volatiles indicate freezing conditions. This combination points to 3I/ATLAS forming just beyond the snow line of its home system,…