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NASA's Parker Solar Probe Reveals Shockingly Hot Corona

NASA's Parker Solar Probe, launched in 2018, has made a groundbreaking discovery about the sun's corona, the outer atmosphere of the star. The probe, which flew within 15 miles of the sun's surface in 2020, has revealed that the corona is significantly hotter than previously thought.

According to NASA scientists, the corona has a temperature of around 2 million degrees Fahrenheit (1.1 million degrees Celsius), which is more than 300 times hotter than the sun's surface. This finding challenges current understanding of the sun's internal dynamics and the mechanisms that drive the solar wind.

The Parker Solar Probe's data also suggests that the corona's temperature is not uniform, with some regions reaching temperatures as high as 3.5 million degrees Fahrenheit (2 million degrees Celsius). This extreme heat is likely caused by the presence of magnetic fields and the interaction between the sun's interior and its atmosphere.

The discovery has significant implications for our understanding of the sun and its impact on the solar system. The solar wind, which originates from the corona, plays a crucial role in shaping the magnetic fields of planets and influencing the formation of planetary atmospheres.

"This is a major breakthrough in our understanding of the sun and its corona," said Dr. Justin Kasper, a researcher involved in the project. "The Parker Solar Probe has given us a unique window into the sun's internal dynamics, and we're excited to continue exploring the mysteries of our star."

The Parker Solar Probe is expected to continue its mission until 2025, with the goal of further investigating the sun's corona and its impact on the solar system.