NASA’s Parker Solar Probe Achieves Closest Sun Flyby Ever on December 24

NASA's Parker Solar Probe will achieve its closest approach to the sun on Dec. 24, travelling through its outer atmosphere

Written by Gadgets 360 Staff | Updated: 23 December 2024 22:31 IST

NASA’s Parker Solar Probe Achieves Closest Sun Flyby Ever on December 24

Photo Credit: NASA/Johns Hopkins APL/Steve Gribben

NASA's Parker Solar Probe will make its closest flyby of the sun ever on Christmas Eve, Dec. 24, 2024

Highlights

Parker Solar Probe will fly 3.8 million miles from the sun on Dec. 24
The spacecraft reaches speeds of 430,000 mph
Data from the flyby will unlock new insights into the sun's corona

NASA's Parker Solar Probe is set to perform its closest flyby of the sun on December 24, 2024, at 6:53 a.m. EST. The spacecraft, which launched in 2018, will approach within 3.8 million miles (6.1 million kilometres) of the solar surface, setting a record for the nearest distance a human-made object has travelled to a star. Travelling at an extraordinary speed of 430,000 mph (692,000 kph), the probe will traverse the sun's corona, collecting data on its high-temperature environment.

Mission Details and Flyby Preparations

The Parker Solar Probe, managed by NASA and designed at the Johns Hopkins Applied Physics Laboratory (JHUAPL), has completed 21 previous solar encounters and seven flybys of Venus, as per a report by Parker Solar Space. The upcoming event marks the 22nd solar approach in its mission to deepen the understanding of the sun's outer atmosphere. According to Nick Pinkine, mission operations manager at JHUAPL, the probe will provide unprecedented data from regions no spacecraft has explored before.

As part of its preparations, the probe sent a final transmission to Earth on December 20, signalling all systems are functioning normally, according to reports. Contact with the spacecraft will remain offline until December 27, when it is expected to send a health status update. Comprehensive science data, including telemetry, will begin to arrive in January 2025, as per reports.

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Engineering to Withstand Extreme Temperatures

During the flyby, the spacecraft will endure temperatures reaching 1,800 degrees Fahrenheit (980 degrees Celsius). Its advanced heat shield, constructed from carbon foam, ensures the probe's instruments remain at near room temperature while withstanding up to 1,377 degrees Celsius.

Future of the Mission

As per reports, two additional close solar flybys are planned for March 22 and June 19, 2025. Decisions regarding the spacecraft's trajectory and continued operations are expected after the primary mission concludes. The Parker Solar Probe's findings aim to address critical questions about the sun's behaviour, contributing to the broader understanding of solar phenomena.

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