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NASA's Chandra and Hubble showcase fiery cosmic 'Guitar Nebula' in motion
Outline of the guitar shape in the X-ray and optical image.
Reuters Events SMR and Advanced Reactor 2025
NASA's Chandra and Hubble showcase fiery cosmic 'Guitar Nebula' in motion
by Clarence Oxford
Los Angeles CA (SPX) Nov 21, 2024

Astronomers using NASA's Chandra X-ray Observatory and Hubble Space Telescope have unveiled stunning new visuals of the "Guitar Nebula," a unique cosmic structure resembling a glowing, flame-throwing guitar. This object, linked to the pulsar PSR B2224+65, was captured in dramatic detail with X-ray and optical imagery.

The Chandra data, shown in red, reveals a filament of energetic particles - a mix of matter and antimatter - stretching about two light-years (12 trillion miles) from the pulsar, which appears as a bright white dot. This filament is a result of particles propelled by the pulsar's extreme energy and rapid rotation.

Named the "Guitar Nebula" due to its shape when seen in glowing hydrogen light, the structure consists of bubble-like regions formed as particles from the pulsar interact with varying densities in the surrounding medium. The pulsar itself, a fast-spinning neutron star born from the collapse of a massive star, drives this fiery spectacle as it moves rapidly through space.

"At the tip of the guitar lies the pulsar, pumping out a flame-like filament of particles and X-ray light," explained the researchers. The Chandra images showcase how particles accelerated by the pulsar's immense magnetic fields generate X-rays, shedding light on the high-energy processes occurring in such extreme environments.

The filament provides insights into how particles, including electrons and positrons, escape the confines of the nebula. When the pulsar passes through denser gas regions, some particles break free, flowing along magnetic field lines in interstellar space.

Movies constructed from Chandra and Hubble observations capture the movement of the pulsar and surrounding structures over decades. The Chandra movie incorporates data from 2000, 2006, 2012, and 2021, while the Hubble version includes data from 1994, 2001, 2006, and 2021. These movies show the pulsar and its filament traveling towards the upper left, although the guitar-shaped outline of the hydrogen nebula remains static.

A recent study has tied variations in hydrogen density to changes in the number of particles escaping from the pulsar. These shifts cause the X-ray filament to subtly brighten and fade, mimicking the effect of a "cosmic blowtorch."

Understanding the structure of the filament is crucial for exploring how electrons and positrons behave in the interstellar medium. It also highlights the nebula's role in injecting these particles into space, offering a glimpse into the dynamic interactions shaping our universe.

Research Report:A Quarter Century of Guitar Nebula/Filament Evolution

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NASA's Chandra X-ray Observatory and Hubble Space Telescope
Stellar Chemistry, The Universe And All Within It

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