Spotting Earth-threatening asteroids is tough, partly because the sky is so big. However insects offer an answer, since they figured out long ago how to look in many directions at once.
Hera - eoPortal
Thread by @esaoperations on Thread Reader App – Thread Reader App
Asteroid news: ESA offers stark warning if HUGE asteroid was Earth-bound 'I would pray', Science, News
Thread by @esaoperations on Thread Reader App – Thread Reader App
PDF) READI - Roadmap for Earth Defense Initiative
Asteroids – Page 3 – sciencesprings
ESA - 15 000 space rocks and counting
Asteroid impact prediction - Wikipedia
8th IAA Planetary Defense Conference 2023 - IAA