NASA's Parker Solar Probe makes closest-ever approach to the Sun

NASA’s Parker Solar Probe has reached a groundbreaking milestone, becoming the closest any spacecraft has ever flown to the Sun, unlocking new insights into the star's mysteries.

NASA's Parker Solar Probe has made history, achieving humanity's closest-ever approach to the Sun. On December 27, the spacecraft passed just 3.8 million miles from the Sun's surface, entering the corona—the Sun’s outer atmosphere.

This unprecedented feat was confirmed with a green beacon signal, signaling the probe's successful passage through extreme solar conditions.

Dr. Joe Westlake, NASA's Heliophysics Director, hailed the achievement as a significant milestone. "We actually got back a green beacon last night, indicating that the Parker Solar Probe completed humanity’s closest flyby of the Sun," Westlake said. "We flew through the upper atmosphere of the corona of the Sun—an amazing accomplishment."

Launched in 2018, the Parker Solar Probe uses Venus's gravity to tighten its orbit and travels at an astounding speed of 430,000 miles per hour. The spacecraft is subjected to extreme temperatures, up to 1,800 degrees Fahrenheit.

While the probe’s primary mission is nearing completion, its stable orbit ensures the continuation of its work. "There's enough fuel and resources for an extended mission," said Westlake, "allowing us to conduct more flybys and capture unique solar events."

NASA expects detailed data from the historic flyby to begin arriving by January 1, offering new opportunities for scientific discovery and deepening our understanding of the Sun’s behavior.

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