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Supernova 1987a

All articles tagged with #supernova 1987a

science12 days ago•3 min saved

Astronauts and Telescopes Capture Stunning Views of Nearby Star-Forming Galaxies

A recent image captured by an astronaut aboard the ISS shows the Large Magellanic Cloud, a nearby dwarf galaxy rich in star-forming regions and supernova remnants, highlighting its significance in understanding stellar evolution and its dynamic role within the Local Group. The image emphasizes the contrast between Earth's atmosphere and the galaxy's energetic activity, inspiring public interest in cosmic exploration.

via The Daily Galaxy|

#astronomy #galaxy #large-magellanic-cloud

astronomy1 year ago•4 min saved

Unraveling the Mystery of the "String of Pearls" in Supernova 1987A

Astronomers have long been puzzled by the clumpy appearance of the expanding, glowing ring of light from Supernova 1987A, known as the "String of Pearls." University of Michigan graduate student Michael Wadas and his colleagues have proposed that the Crow Instability, a process similar to the breakup of airplane contrails, could explain the formation of these clumps. Their simulations suggest that this instability could predict the number of clumps observed in the ring and may also help in understanding the formation of beaded rings around explosion sites or the coalescence of dust around stars to form planets.

via Universe Today|

#astronomers #astronomy #crow-instability

astronomy1 year ago•6 min saved

"James Webb Telescope Discovers Neutron Star in Famous Supernova Debris"

The James Webb Space Telescope has discovered a neutron star in the remnants of the well-known supernova 1987A, providing evidence of its existence after nearly four decades. This finding sheds light on the aftermath of supernova explosions and the birth of compact stellar remnants, and further observations may help distinguish between a pulsar and a "bare" neutron star at the heart of the supernova.

via Livescience.com|

#astronomy #james-webb-space-telescope #neutron-star

astronomy1 year ago•2 min saved

"James Webb Telescope Uncovers Neutron Star in Supernova Debris"

With the help of the James Webb Space Telescope, scientists have discovered the long-sought neutron star at the heart of Supernova 1987A, shedding light on a decades-old mystery. The supernova, which exploded brightly over 30 years ago, had left scientists uncertain whether it would form a neutron star or a black hole. The recent discovery, detailed in a new paper in the journal Science, confirms the presence of the neutron star and provides valuable insights into the aftermath of supernovas, showcasing the groundbreaking capabilities of the Webb telescope.

via Futurism|

#astronomy #astrophysics #james-webb-space-telescope

astronomy1 year ago•5 min saved

"JWST Unveils Neutron Star Remnants from 1987 Supernova"

The James Webb Space Telescope's observations suggest that the debris field of Supernova 1987A contains compelling signs of a neutron star, potentially resolving a long-standing debate about the aftermath of the explosion. If confirmed, this would be the youngest and freshest neutron star ever observed, providing valuable insights into the birth of such exotic objects and offering a natural laboratory for high-energy and particle physics. However, while the evidence is compelling, the direct detection of the hypothesized neutron star remains elusive, leaving the case not yet closed.

via The Washington Post|

#astronomical-discovery #astronomy #astrophysics

space2 years ago•4 min saved

"Webb Telescope Uncovers Stunning Structures in Famous Supernova"

NASA's James Webb Space Telescope has captured detailed images of Supernova 1987A, revealing new structures and providing insights into the development of supernovas over time. The telescope's NIRCam instrument uncovered crescent-like structures, previously unseen, which are believed to be part of the outer layers of gas ejected from the explosion. The high-resolution images offer unprecedented clarity and detail, surpassing the observations made by the now-retired Spitzer telescope. Webb will continue to study the supernova, collaborating with other observatories to unravel its mysteries and gain further insights into its past and future.

via SciTechDaily|

#celestial-structures #infrared-observations #james-webb-space-telescope

astronomy2 years ago•1 min saved

"James Webb Telescope Uncovers Stunning Details of Iconic Eye-Shaped Supernova"

The Webb Space Telescope has captured an image of Supernova 1987A, revealing its equatorial and outer rings, crescent structures, and inner ejecta. The image, taken in September 2022, shows the dense core of the supernova's inner ejecta, which remains impenetrable even to Webb's high resolution. SN 1987A, located in the Large Magellanic Cloud, emits a range of electromagnetic radiation, and future observations by Webb may help unravel the mysteries surrounding this stellar explosion.

via Gizmodo|

#astronomy #near-infrared-camera #observations