“Out of the blue”. We made this short (6 minutes) video when asteroid 2012 DA14 passed close to Earth. Now, with news talking about 2024 YR4, if you want to learn about potentially dangerous asteroids ☄️, this video is worth watching 🧪⚛️🔭 (in Spanish with English subtitles) https://youtu.be/kNLRrRFrR6k?si=yq9SNjMTKWLQDcq2