The Earth has a heartbeat every 26 seconds!
The Earth’s 26-second heartbeat is a fascinating phenomenon that has captivated scientists and the general public alike. This rhythmic pulse is generated by the Earth’s core, which is made up of molten iron and nickel. As the core vibrates, it produces a low-frequency hum that resonates through the planet’s interior.
The Earth’s core is divided into two layers: a solid inner core and a liquid outer core. The inner core is about the size of the Moon and is made up of solid iron, while the outer core is a liquid layer of iron and nickel. The vibrations in the core are thought to be caused by the movement of the liquid outer core, which generates electric currents and, in turn, produces the magnetic field that surrounds the Earth.
The Earth’s 26-second heartbeat is part of a broader phenomenon known as the “global hum.” This hum is a low-frequency vibration that is detected by seismometers around the world and is thought to be caused by the movement of tectonic plates and the Earth’s core. The global hum is a complex phenomenon that is still not fully understood and is the subject of ongoing research.
The Earth’s 26-second heartbeat is a reminder of the planet’s dynamic and ever-changing nature. It highlights the complex interactions between the Earth’s core, mantle, and atmosphere and demonstrates the intricate web of processes that shape our planet. By studying the Earth’s heartbeat, scientists can gain insights into the planet’s internal structure and evolution, which can help us better understand the Earth’s history and its potential future.