What will happen If a Needle Hits the Earth at the Speed of Light?

This article explores the hypothetical scenario of what would happen if a tiny needle hits the Earth at the speed of light. While it’s doubtful (if not impossible) that a needle could ever reach such high speeds. But the consequences are severe.

According to some hypotheses, if a needle hits the Earth at the speed of light, the kinetic energy released would be enough to cause an explosion. It perhaps sweeps out all life on the planet.

The energy released by a small needle of 1 gram mass would be 9.00×10³ Joules which is approximately 1.43 times greater than the “Little Boy” atomic bomb on Hiroshima and 1.02 times greater than the Fat Man atomic bomb on Nagasaki.
Comparision of needle enegry’s with Hiroshima and Nagasaki atomic bombs

The impact force would be equivalent to a nuclear bomb exploding, and the resulting shockwave would be felt all over the world. However, Other hypotheses show that the needle would pass through the Earth, leaving a small hole in its path.

The impact on human life would be catastrophic if a needle hit the Earth at the speed of light. The subsequent explosion would be similar to a major nuclear explosion, causing widespread devastation.

The released energy would generate a shockwave to travel over the Earth’s surface, creating extensive devastation. The explosion would also release massive heat, causing flames in the environment.

If a Needle Hits the Earth at the Speed of Light

Click here to find out the fact behind a a giant coronal hole in the Sun could fit 60 Earths

The initial consequences of this explosion would be felt across the wide region. It would do severe damage to structures and infrastructure. The heat due to the explosion would start flames that would be difficult to extinguish. The resulting smoke and debris would make access to affected areas impossible for rescue crews.

The impact could change the temperature around the world for a long time. It could release a lot of energy that could change the Earth’s climate on a larger scale. It causes a significant rise in greenhouse gas emissions.

Hence, this could cause temperatures to rise across the world. It may result in sea level rise and make weather events worse. Ocean currents could also change because of the impact, which could have disastrous effects on the climate around the world.

Of course, all of that would happen if something like that could happen. We concluded that this hypothetical situation can’t happen. At least not based on what we know about the physical laws.