The strength of a blast wave from a nuclear explosion or a shockwave from a meteorite impact depends on various factors, including the energy release, distance from the source, and specific characteristics of the explosion or impact. It is difficult to make a direct comparison and declare one as universally stronger than the other in all cases. However, I can provide some general information about each phenomenon.
Blast wave of a nuclear explosion: Nuclear explosions release an enormous amount of energy in a short period. The strength of the blast wave depends on factors such as the yield of the nuclear weapon, altitude of the explosion, and distance from the detonation point. The blast wave from a nuclear explosion can cause severe destruction, including widespread damage to buildings, infrastructure, and human casualties. The impact radius and intensity decrease with increasing distance from the explosion.
Shockwave from a meteorite impact: When a meteorite enters the Earth's atmosphere and collides with the surface, it creates a shockwave due to the rapid deceleration of the object. The strength of the shockwave depends on the size, speed, and composition of the meteorite. In the case of large meteorite impacts, such as the one that caused the Chicxulub crater (linked to the extinction of dinosaurs), the shockwave can have catastrophic consequences, including massive devastation, tsunamis, and environmental effects.
It's important to note that the scale and impact of a nuclear explosion are highly dependent on the characteristics of the weapon and the specific circumstances, while meteorite impacts can vary greatly in size and energy release. Therefore, comparing the absolute strength of the blast wave from a nuclear explosion to the shockwave from a meteorite impact is challenging without specific parameters and context.
In summary, both the blast wave of a nuclear explosion and the shockwave from a meteorite impact can be incredibly powerful and cause significant destruction, but the specific strength and effects depend on various factors associated with each event.