Astronomers Reveal: Light from an Amazing Supernova Explosion Resembling an Arm Reaching into Space Arrived on Earth 1,700 Years Ago, During the Mayan Era

Two of NASA’s X-ray space telescopes revealed the “bones” of a ghostly cosmic hand.

The Imaging X-ray Polarimetry Explorer observed a ‘ghostly’ cosmic hand (Image: NASA)

Scientists say they have revealed the “bones” of a ghostly cosmic hand.

Two of NASA’s X-ray space telescopes have combined their imaging powers to unveil the magnetic field “bones” of a remarkable hand-shaped structure in space.

NASA telescopes reveal the ghostly 'bones' of a cosmic hand - Space News - News - Daily Express US

The space agency announced Monday (30 Oct) that together these telescopes have revealed the behaviour of a dead collapsed star that lives on through plumes of particles of energised matter and antimatter.

In 2001, NASA’s Chandra X-ray Observatory first observed the pulsar PSR B1509-58 and revealed that its pulsar wind nebula (referred to as MSH 15-52) resembles a human hand.

17,000 Light-Years From Earth, A Ghostly Cosmic Hand Is Hitting A Wall | IFLScience

The pulsar is located at the base of the “palm” of the nebula, while MSH 15-52 is located 16,000 light-years from Earth.

Now, NASA’s newest X-ray telescope, the Imaging X-ray Polarimetry Explorer (IXPE), has observed MSH 15-52 for about 17 days, the longest it has looked at any single object since it launched in December 2021. The results are published in a new paper in The Astrophysical Journal.

The extraordinary cosmic cluster is located 16,000 light-years from Earth. (Image: NASA)

“The IXPE data gives us the first map of the magnetic field in the ‘hand’,” said Roger Romani of Stanford University in California, who led the study. “The charged particles producing the X-rays travel along the magnetic field, determining the basic shape of the nebula, like the bones do in a person’s hand.”

Since the explosion, the supernova remnant - which is made of debris from the shattered star, shaped by the explosion's blast wave - have been changing as they expand outward into space from the original explosive event

IXPE provides information about the electric field orientation of X-rays, determined by the magnetic field of the X-ray source. This is called X-ray polarization. In large regions of MSH 15-52 the amount of polarization is remarkably high, reaching the maximum level expected from theoretical work. To achieve that strength, the magnetic field must be very straight and uniform, meaning there is little turbulence in those regions of the pulsar wind nebula.

Notably, the supernova remnant and surrounding X-ray nebula now resemble the shape of fingers and a palm reaching out from an arm in space

One particularly interesting feature of MSH 15-52 is a bright X-ray jet directed from the pulsar to the “wrist” at the bottom of the image. The new IXPE data reveal that the polarization at the start of the jet is low, likely because this is a turbulent region with complex, tangled magnetic fields associated with the generation of high-energy particles. By the end of the jet the magnetic field lines appear to straighten and become much more uniform, causing the polarization to become much larger.

These results imply that particles are given an energy boost in complex turbulent regions near the pulsar at the base of the palm, and flow to areas where the magnetic field is uniform along the wrist, fingers and thumb.

Artist rendering of the Chandra X-ray Observatory space telescope (Image: Illustration by Nicholas Forder/Future Publishing via Getty Images)

“We’ve uncovered the life history of super energetic matter and antimatter particles around the pulsar,” said co-author Niccolò Di Lalla, also of Stanford. “This teaches us about how pulsars can act as particle accelerators.”

“We’re all familiar with X-rays as a diagnostic medical tool for humans,” said co-author Josephine Wong, also of Stanford. “Here we’re using X-rays in a different way, but they are again revealing information that is otherwise hidden from us.”

NASA add: “Around 1,500 years ago, a giant star in our Galaxy ran out of nuclear fuel to burn. When this happened, the star collapsed onto itself and formed an extremely dense object called a neutron star.

“Rotating neutron stars with strong magnetic fields, or pulsars, provide laboratories for extreme physics, with conditions that cannot be replicated on Earth. Young pulsars can create jets of matter and antimatter moving away from the poles of the pulsar, along with an intense wind, forming a ‘pulsar wind nebula’.”

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