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The Magnetic Field Mission of a 30-year-old NASA Spacecraft could be Terminated by Data Recorder Failure.

The lone operable data recorder on NASA's Geotail spacecraft, which has been monitoring the magnetosphere for three decades, has failed, putting the mission in danger.


According to a NASA statement, experts from NASA are collaborating with the partners on the Geotail mission, the Japan Aerospace Exploration Agency (JAXA) and the Japan Institute of Space and Astronautical Science (ISAS), to decide the best course of action for the project.


On June 28, the recorder developed a fault that was discovered by scientists at JAXA. Since the finding, researchers have been doing experiments to ascertain the origin and scope of the harm. The second data recorder has not yet been successfully recovered, and Geotail is unable to gather or download data in the absence of a functional recorder, according to NASA.


On July 24, 1992, Geotail launched from what was then Cape Canaveral Air Force Station in Florida with the goal of studying the magnetosphere, or "tail-region," of the Earth's magnetic field. During solar wind,


A stream of solar energy and charged particles enter the magnetosphere, move along magnetic field lines, and flow out in a wake behind the Earth, forming a long, tail-like region on the night side of the planet.


Geotail utilised a variety of instruments, including the Magnetic Fields Measurement Monitor (MGF), as well as a number of particle instruments to track this activity after settling into a high elliptical orbit that brought it over the magnetosphere's invisible field lines.


Since the magnetosphere's magnetic field lines flow and rebound while producing explosive bursts that affect our magnetic environment, geotail has been crucial to our knowledge of how the sun's energy and matter affect Earth's neighbourhood.


Additionally, early in its mission, Geotail was able to recognise oxygen, silicon, sodium, and aluminium in the lunar atmosphere during a dozen near flybys of the moon.


The first of Geotail's two data recorders failed in 2012, the year the spacecraft marked its 20th birthday. For ten years, the sole remaining data recorder has been in operation. The Geotail mission has now been running continuously for 30 years, which is more than seven times the initial duration of just four years.


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