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Crab Nebula

All articles tagged with #crab nebula

science1 year ago•4 min saved

Astrophysicist Unveils Theory on Crab Nebula's Zebra Stripes

A theoretical astrophysicist from the University of Kansas, Mikhail Medvedev, has proposed a solution to the mysterious 'zebra' pattern observed in the Crab Nebula's radio emissions. By modeling wave diffraction and using wave optics, Medvedev suggests that the pattern is caused by the diffraction of electromagnetic pulses through the pulsar's plasma, which varies in density. This new understanding could enhance the study of pulsars and their magnetospheres, offering insights into their plasma density and distribution.

via Phys.org|

#astrophysics #crab-nebula #plasma

space-and-cosmos1 year ago•2 min saved

"Supernovas Explode in Stunning Time-Lapse"

To celebrate the 25th anniversary of the Chandra X-ray Observatory, NASA released time-lapse videos of two supernova explosions, the Crab Nebula and Cassiopeia A, showing their evolution over two decades. Despite proposed budget cuts, there is legislative support for the continued operation of Chandra, which has been crucial for astrophysical discoveries.

via The New York Times|

#cassiopeia-a #chandra-x-ray-observatory #crab-nebula

astronomy2 years ago•2 min saved

"James Webb Telescope Uncovers Hidden Discovery in Crab Nebula's Core"

The James Webb Space Telescope (JWST) has captured the highest-resolution infrared image of the Crab Nebula, revealing new details within the supernova remnant. The image shows wispy gas filaments, dust grains emitting light, and a bluish-white smoky glow caused by radiation from charged particles moving around magnetic-field lines produced by the central neutron star. JWST's infrared capabilities allow it to see through dust and gas that typically block visible light emissions. This image surpasses the previous best picture from the Hubble Space Telescope in 2005 and provides valuable insights into the inner workings of the Crab Nebula.

via Livescience.com|

#astronomy #crab-nebula #infrared-image

astronomy2 years ago•2 min saved

"James Webb Telescope Uncovers Hidden Discovery in Crab Nebula's Core"

via Yahoo Life|

#astronomy #crab-nebula #infrared-image

astronomy2 years ago•3 min saved

Unveiling the Intricate Beauty of the Crab Nebula with JWST

The James Webb Space Telescope (JWST) has captured new images of the Crab Nebula, a supernova remnant in our galaxy, providing new insights into its evolution. The images, taken with JWST's Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI), reveal details previously hidden from us, including the composition of the ejected material and the structure of the nebula. The images show gaseous filaments, dust grains, and synchrotron radiation created by the pulsar at the nebula's center. These observations, combined with data from other telescopes, contribute to a better understanding of cosmic objects.

via Yahoo Entertainment|

#astronomical-observations #astronomy #crab-nebula

space2 years ago•3 min saved

James Webb Space Telescope Unveils Astounding Revelations of Celestial Enigmas and Nebula Mysteries

NASA's James Webb Space Telescope has captured stunning new images of the Crab Nebula, providing unprecedented detail and revealing new clues about its origin. The high-resolution imagery reveals structures resembling a cage of gaseous filaments and emissions from grains of dust, which were not seen before. The telescope's sensitivity and spatial resolution allow astronomers to accurately determine the composition of the ejected material, potentially shedding light on the type of explosion that created the nebula. The images also show evidence of synchrotron radiation resulting from the movement of charged particles along magnetic field lines. Additional data from the Hubble Space Telescope will further expand our understanding of the Crab Nebula in the coming year.

via The Debrief|

#astronomers #crab-nebula #james-webb-space-telescope

astronomy2 years ago•1 min saved

Webb Telescope Reveals Exquisite Details of Crab Nebula

The James Webb Space Telescope (JWST) has captured stunning new details of the Crab Nebula, located 6,500 light years away from Earth. The never-before-seen image reveals the inner workings of the nebula, including its "beating heart" that emits pulses of radiation and charged particles. Astronomers from Princeton University are studying the image to determine the composition of the ejected material and shed light on the nebula's origins. The image shows a cage-like structure of gaseous filaments in red-orange, with detailed emissions from dust grains in yellow-white and green. The Crab Nebula was formed from a supernova explosion about 1,000 years ago, with its dense core now known as the Crab Pulsar.

via NDTV|

#astronomy #crab-nebula #james-webb-space-telescope

astronomy2 years ago•2 min saved

JWST Reveals Stunning New Images of the Crab Nebula

NASA's James Webb Space Telescope (JWST) has captured stunning new views of the Crab Nebula, revealing never-before-seen details. The image shows the Crab Pulsar at the center of the nebula, surrounded by hazy, ghost-like wisps of charged particles. JWST's infrared capabilities allowed it to capture features that the Hubble Space Telescope couldn't, such as the composition of the ejected material. This marks the first time in 20 years that Hubble will have a new image of the Crab Nebula for comparison.

via ScienceAlert|

#astronomy #crab-nebula #james-webb-space-telescope

space2 years ago•3 min saved

"Captivating Snapshot: NASA's James Webb Space Telescope Reveals Breathtaking Crab Nebula Image"

NASA's James Webb Space Telescope has captured stunning new images of the Crab Nebula, revealing never-before-seen details of the supernova remnant. The telescope's infrared capabilities allowed it to capture ghostly tendrils and the dense core of the exploded star, including the spinning pulsar at the nebula's center. These observations provide valuable insights into the composition and dynamics of the nebula, which is located 6,500 light years away.

via Business Insider|

#astronomical-observations #crab-nebula #james-webb-space-telescope

astronomy2 years ago•2 min saved

"Stunning Image: Webb Telescope Reveals Eerie Glow of Crab Nebula"

The James Webb Space Telescope has captured new details of the Crab Nebula, a well-studied supernova remnant, revealing insights into the aftermath of a massive star explosion. The telescope's ability to view the universe in infrared light allowed it to pierce through the dust of the nebula and uncover previously unseen features. The image shows yellow-white and green filaments made of dust grains, as well as rippling circular wisps pointing to the nebula's pulsar heart. Astronomers hope that comparing the Webb data with observations from other telescopes will provide a fresh perspective on the nebula and help unlock its origins.

via CNN|

#astronomy #crab-nebula #infrared-imaging

space2 years ago•3 min saved

"James Webb Telescope Reveals Unprecedented Views of the Crab Nebula Supernova Wreckage"

The James Webb Space Telescope (JWST) has captured a stunning view of the Crab Nebula, a remnant of a supernova explosion. Using its infrared instruments, the JWST revealed new details about the composition and inner workings of the nebula, including dust grain emissions and synchrotron radiation. The observations also showed the structure of the magnetic fields surrounding the pulsar at the heart of the nebula. Astronomers will continue to analyze data from the JWST and await additional observations from the Hubble Space Telescope to gain further insights into the Crab Nebula.

via Space.com|

#astronomy #crab-nebula #infrared-observations

space2 years ago•4 min saved

NASA's Webb Reveals Stunning New Perspective of the Crab Nebula

NASA's James Webb Space Telescope has captured exquisite, never-before-seen details of the Crab Nebula, a supernova remnant located 6,500 light-years away. The telescope's infrared observation reveals a cage-like structure of gaseous filaments, emission from dust grains, and synchrotron radiation produced by the pulsar at the heart of the nebula. The data will help scientists understand the composition and origins of the Crab Nebula, shedding light on the behavior and after-effects of supernovae.

via NASA|

#crab-nebula #infrared-observation #james-webb-space-telescope

astronomy2 years ago•12 min saved

Celestial Highlights: Orionids and Sky at a Glance

This week, skywatchers can catch the Orionid meteor shower, observe the Crab Nebula, and enjoy the waxing crescent Moon. Venus will reach its greatest western elongation, and the Moon will pass by Saturn and Neptune. Comet C/2023 H2 (Lemmon) is also visible in the early morning hours. Lynx, a lesser-known constellation, offers the opportunity to observe the globular cluster NGC 2419.

via Astronomy Magazine|

#astronomy #crab-nebula #meteor-shower

science-and-astronomy2 years ago•3 min saved

NASA's IXPE captures stunning new image of the Crab Nebula.

NASA's Imaging X-ray Polarimetry Explorer (IXPE) spacecraft has mapped the magnetic field of the Crab Nebula in greater detail than ever before, revealing unexpected patches and asymmetrical areas of turbulence. The Crab Nebula is the remnant of a massive supernova explosion that occurred in the year 1054 and left behind a dense object called the Crab Pulsar. The IXPE space telescope is designed to examine the polarization of cosmic X-rays, and by measuring the polarization of X-rays from the Crab Nebula, the researchers were able to map the direction of the magnetic field in different parts of the nebula.

via Space.com|

#crab-nebula #ixpe #magnetic-field

astronomy2 years ago•5 min saved

Revolutionary Imaging X-ray Polarimetry Explorer captures unprecedented view of historic nebula.

NASA's Imaging X-ray Polarimetry Explorer (IXPE) has created a detailed map of the Crab Nebula's magnetic field, revealing more of its inner workings than ever before. The new results help resolve longstanding mysteries about the well-studied Crab Nebula and open new questions for future study. IXPE data show that the Crab Nebula's magnetic field resembles that of the Vela Pulsar Wind Nebula, which is also donut-shaped. But at the Crab, scientists were surprised that areas of magnetic field turbulence were more patchy and asymmetrical than expected.

via Phys.org|

#astronomy #crab-nebula #imaging-x-ray-polarimetry-explorer