Earth's inner core - Wikipedia
The temperature of the inner core can be estimated from the melting temperature of impure iron at the pressure which iron is under at the boundary of the inner core (about 330 GPa).
Core
Jun 5, 2025 · Although we know the core is the hottest part of our planet, its precise temperatures are difficult to determine. The fluctuating temperatures in the core depend on pressure, Earth's …
How Does the Core of the Earth Stay Hot? – The Institute for ...
Jun 7, 2025 · The Earth’s core temperature, around 5,200 degrees Celsius (9,392 degrees Fahrenheit), is comparable to the surface temperature of the Sun, which is approximately …
When Will the Earth’s Core Cool and What Happens Next?
Jan 9, 2026 · The Earth’s core is structured into two main parts: a solid inner core surrounded by a liquid outer core, both composed primarily of iron and nickel. The immense heat radiating …
Earth’s inner core: nobody knows exactly what it’s made of – now …
Sep 17, 2025 · We know the temperature of Earth’s inner core is very roughly about 5,000 Kelvin (K) (4,727°C). It was once liquid, but has cooled and become solid over time, expanding …
How has Earth's core stayed as hot as the sun's surface for …
Jan 24, 2023 · Plate motion requires a hot mantle. And indeed, as you go deeper into the Earth, the temperature increases. At the bottom of the plates, around 60 miles (100 kilometers) deep, …
How Hot is the Core of the Earth? - Universe Today
Jun 1, 2010 · It's down in this inner core where you'd find the hottest part of Earth. Scientists have estimated that the temperature of the core reaches 5,700 kelvin (5,430 °C; 9,800 °F).
9.2: The Temperature of Earth’s Interior - Geosciences LibreTexts
The temperature is around 1000°C at the base of the crust, around 3500°C at the base of the mantle, and around 5,000°C at Earth’s centre. The temperature gradient within the lithosphere …
How Hot Is the Earth’s Core and Does the Temperature Change?
Nov 16, 2023 · From there, it’s obvious to see that the internal temperature of Earth is dropping, albeit at an exceedingly slow rate. Not to worry though, as it will likely take billions more years …
Why Is the Earth’s Core Hot and What Keeps It That Way?
Sep 1, 2025 · The Earth’s core holds immense heat, with temperatures reaching approximately 5,700 to 6,000 degrees Celsius. This extreme heat is comparable to, or even slightly hotter …