39K views · 1.3K reactions | There are no known threats to Earth, but asteroid expert Dr. Kelly Fast says it’s important to find the asteroids before they find us. Find out how NASA’s Planetary Defense Coordination Office keeps its eyes on the skies: https://www.nasa.gov/planetarydefense Producer: Scott Bednar Producer/Editor: Jessica Wilde | NASA - National Aeronautics and Space Administration | Facebook

12K views · 201 reactions | How do we know if an asteroid is going to hit Earth? The answer is tracking! Here's how it works: | The Planetary Society | Facebook

29K views · 1.2K reactions | When was the last time an asteroid hit Earth? Small asteroids and other tiny particles bombard our planet daily, but almost all of them burn up safely in the atmosphere. Bigger impacts are extremely rare, but scientists like Marina Brozovic are keeping their eyes on the sky. Explore more: https://www.nasa.gov/planetarydefense | NASA - National Aeronautics and Space Administration | Facebook

1.3M views · 3.8K reactions | 10 000 Mealworms vs. Venus flytrap華Sponge什Eggplant | WormLapse | Facebook