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Earth's Inner Core Slowing Down: What You Need to Know



  Jun 20, 2024

Earth's Inner Core Slowing Down: What You Need to Know



Q: What is the Earth's inner core?
A: The Earth's inner core is a solid iron-nickel sphere surrounded by the liquid iron-nickel outer core, roughly the size of the moon.

Q: What has happened to the Earth's inner core recently?
A: According to a new study, the Earth's inner core has been slowing down in relation to the surface of the planet since around 2010.

Q: How did scientists determine the inner core's speed?
A: Scientists used seismic waves from earthquakes to create renderings of the inner core's movement, as it cannot be viewed or visited directly.

Q: What caused the slowing down of the inner core?
A: The slowing speed is believed to be caused by the churning of the liquid iron outer core and gravitational tugs from the dense regions of the overlying rocky mantle.

Q: What are the implications of the slowing down process?
A: The slowing down of the inner core could:
- Alter the length of a day by fractions of a second
- Affect the Earth's magnetic field, potentially exposing us to harmful solar radiation
- Impact the planet's climate patterns and geological activity
- Influence the behavior of earthquakes and volcanic eruptions
- Have far-reaching effects on the Earth's rotation, axis, and gravitational field

Q: Why is the inner core slowing down?
A: The exact reason for the slowing down of the inner core is still unknown and requires further research. Scientists are working to uncover the underlying mechanisms driving this phenomenon. ‎





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