NASA scientists express significant concern over the large number of untracked asteroids in space, warning that these 'city destroyers' pose a serious impact threat to Earth. Currently, our planet is relatively defenseless against these previously undetected asteroids that might collide with it. Although technology exists to potentially deflect such dangerous objects from their course, experts admit that we lack the capabilities and readiness to implement these solutions effectively in the event of a genuine threat.

The implications of this issue are profound, as the existence of thousands of hidden asteroids heightens the risks for urban centers around the globe. These celestial bodies could wreak havoc if they were to hit a city, resulting in catastrophic loss of life and infrastructure. The urgency of this situation is further amplified by the fact that the technological measures available to avert these catastrophes are not currently operational, leaving humanity in a precarious position.

NASA's acknowledgment of this vulnerability is a wake-up call for global space agencies and governments to invest in monitoring and potential mitigation strategies. Failure to act could have disastrous consequences, emphasizing the need for international collaboration in space observation initiatives and the development of effective asteroid deflection technologies before it is too late.