Sun's core vs Earth's highest temperature achieved in experiments

The Sun’s core temperature reaches approximately 15,000,000°C (27,000,000°F), driven by nuclear fusion where hydrogen nuclei combine to form helium, releasing immense energy. This process, occurring under extreme pressure and density, sustains the Sun’s heat and light output, powering life on Earth. The core’s temperature is far hotter than the Sun’s surface, which is about 5,500°C, due to gravitational compression and fusion reactions. In contrast, the highest temperature ever achieved on Earth, around 5,500,000,000,000°C (9,900,000,000,000°F), was produced in controlled experiments at facilities like CERN’s Large Hadron Collider. This extreme heat was generated by colliding heavy ions, such as lead nuclei, at near-light speeds, creating a quark-gluon plasma—a state of matter where quarks and gluons, typically bound within protons and neutrons, move freely. This temperature, vastly exceeding the Sun’s core, mimics conditions microseconds after the Big Bang, offering insights into fundamental physics. While the Sun’s core is incomprehensibly hot by everyday standards, human-engineered temperatures in particle accelerators surpass it by orders of magnitude. However, these earthly temperatures are fleeting, lasting fractions of a second in tiny volumes, unlike the Sun’s sustained, massive core heat, which has burned for billions of years. Such experiments push the boundaries of science, probing the universe’s origins.

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