We can't yet detect small, dangerous near-Earth asteroids far enough in advance.
open
Global / Unspecified, Global
Larger asteroids are easier to spot years ahead, but smaller ones capable of serious regional damage often go undetected until they're very close. Expanding detection capability remains a quiet but serious safety gap.
Citation ID: WS00168
Title: We can't yet detect small, dangerous near-Earth asteroids far enough in advance.
URL: https://worldsolve.org/index.php?api=problem&id=168