NASA scientist issues stark warning about 15,000 undetected asteroids that could destroy cities: ‘Keeps me up at night’
A NASA scientist has issued a chilling warning for earth. The planetary defense expert said that the earth had no way to defend against up to 15,000 undetected near-earth asteroids, all of which had the potential to wipe out an entire city. An expert believes that even if we could detect these ‘city killer’ asteroids, … Read more