Neutron Stars
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NASA Captures Rare Neutron Star Collision In Tiny Distant Galaxy
Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.
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Betelgeuse and the Crab Nebula Reveal Stellar Death and Rebirth in Multi-Telescope Views
Betelgeuse’s unusual dimming and the Crab Nebula’s remnants offer insight into stellar death and rebirth. Composite images from multiple telescopes show gas filaments and a neutron star, illustrating how massive stars explode, enrich space with heavy elements, and seed future star formation. These observations help scientists trace stellar life...
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Astronomers Watch a Dormant Neutron Star Reignite After a Decade of Silence
Astronomers observed a neutron star known as P13 suddenly brighten after years of inactivity. The decade-long study shows how changes in accretion can drive extreme X-ray power, offering new insight into ultraluminous X-ray sources and neutron star physics.
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Astronomers Discover Stellar Graveyard Filled With Black Hole and Neutron Star Collisions
Astronomers using LIGO-Virgo-KAGRA detected 128 collisions of black holes and neutron stars, including two rare mixed mergers that double previous records. These findings reveal new details of stellar evolution, refine Hubble constant estimates, and test Einstein’s relativity in extreme conditions. The cosmic “graveyard” offers fresh insight ...
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Astronomers Detect RBFLOAT, Brightest Fast Radio Burst Ever Observed
An international team of astronomers has detected RBFLOAT, the brightest fast radio burst (FRB) ever recorded, just 130 million light-years away in Ursa Major. Detected by CHIME in March 2025, the powerful radio flash was traced to galaxy NGC-4141. Follow-up imaging with the James Webb Space Telescope revealed a faint stellar source near the burst,...
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Ursa Major III May Be a Star Cluster, Not a Dark-Matter Dwarf Galaxy
Astronomers have long thought Ursa Major III, also called UNIONS 1, was a dark-matter-packed dwarf galaxy. But new simulations suggest it may instead be a compact star cluster bound by black holes and neutron stars. Located 30,000 light-years away, Ursa Major III contains just ~60 visible stars yet shows puzzlingly high stellar velocities. The new ...
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Chinese Astronomers Use Insight-HXMT to Decode X-ray Outburst of Binary Star System
In a recent study published on July 24 via arXiv, astronomers from Wuhan University have detailed the powerful X-ray outburst of the Be/X-ray binary system RX J0440.9+4431. Using China’s Insight-HXMT satellite, the team tracked the event from its eruption in December 2022 through March 2023.
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PSR J0922+0638 Pulsar Keeps Glitching Every 550 Days, Scientists Are Intrigued
PSR J0922+0638, an ultradense neutron star, shows puzzling rotational glitches every 550 days. Using 22 years of radio data, scientists detected both abrupt and slow changes in its spin. These may be linked to magnetic field cycles or superfluid dynamics deep inside the star. However, the exact cause remains a mystery, demanding continued long-term...
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New Study Confirms TeV Halos Are Common in Middle-Aged Pulsars
A recent study by researchers from the U.S. and Mexico using data from the HAWC Observatory has confirmed that TeV halos are a universal feature of middle-aged pulsars. These extended regions of gamma-ray emission are significantly larger than pulsar wind nebulae and may help identify otherwise undetectable pulsars. The findings challenge existing ...
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NASA Reveals a Fracture in Huge Cosmic Bone: Everything You Need to Know
With the use of the Chandra X-Ray Observatory, NASA has detected a fracture in the Milky Way. The bone is a galactic center filament that is based at a distance of 26,000 light years from Earth. The fracture would have occurred due to collisions with the neutron star, known as a pulsar, that spins rapidly. The scientists suspect that the fracture w...
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NASA Captures Rare Neutron Star Collision In Tiny Distant Galaxy
Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.
-
Betelgeuse and the Crab Nebula Reveal Stellar Death and Rebirth in Multi-Telescope Views
Betelgeuse’s unusual dimming and the Crab Nebula’s remnants offer insight into stellar death and rebirth. Composite images from multiple telescopes show gas filaments and a neutron star, illustrating how massive stars explode, enrich space with heavy elements, and seed future star formation. These observations help scientists trace stellar life...
-
Astronomers Watch a Dormant Neutron Star Reignite After a Decade of Silence
Astronomers observed a neutron star known as P13 suddenly brighten after years of inactivity. The decade-long study shows how changes in accretion can drive extreme X-ray power, offering new insight into ultraluminous X-ray sources and neutron star physics.
-
Astronomers Discover Stellar Graveyard Filled With Black Hole and Neutron Star Collisions
Astronomers using LIGO-Virgo-KAGRA detected 128 collisions of black holes and neutron stars, including two rare mixed mergers that double previous records. These findings reveal new details of stellar evolution, refine Hubble constant estimates, and test Einstein’s relativity in extreme conditions. The cosmic “graveyard” offers fresh insight ...
-
Astronomers Detect RBFLOAT, Brightest Fast Radio Burst Ever Observed
An international team of astronomers has detected RBFLOAT, the brightest fast radio burst (FRB) ever recorded, just 130 million light-years away in Ursa Major. Detected by CHIME in March 2025, the powerful radio flash was traced to galaxy NGC-4141. Follow-up imaging with the James Webb Space Telescope revealed a faint stellar source near the burst,...
-
Ursa Major III May Be a Star Cluster, Not a Dark-Matter Dwarf Galaxy
Astronomers have long thought Ursa Major III, also called UNIONS 1, was a dark-matter-packed dwarf galaxy. But new simulations suggest it may instead be a compact star cluster bound by black holes and neutron stars. Located 30,000 light-years away, Ursa Major III contains just ~60 visible stars yet shows puzzlingly high stellar velocities. The new ...
-
Chinese Astronomers Use Insight-HXMT to Decode X-ray Outburst of Binary Star System
In a recent study published on July 24 via arXiv, astronomers from Wuhan University have detailed the powerful X-ray outburst of the Be/X-ray binary system RX J0440.9+4431. Using China’s Insight-HXMT satellite, the team tracked the event from its eruption in December 2022 through March 2023.
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PSR J0922+0638 Pulsar Keeps Glitching Every 550 Days, Scientists Are Intrigued
PSR J0922+0638, an ultradense neutron star, shows puzzling rotational glitches every 550 days. Using 22 years of radio data, scientists detected both abrupt and slow changes in its spin. These may be linked to magnetic field cycles or superfluid dynamics deep inside the star. However, the exact cause remains a mystery, demanding continued long-term...
-
New Study Confirms TeV Halos Are Common in Middle-Aged Pulsars
A recent study by researchers from the U.S. and Mexico using data from the HAWC Observatory has confirmed that TeV halos are a universal feature of middle-aged pulsars. These extended regions of gamma-ray emission are significantly larger than pulsar wind nebulae and may help identify otherwise undetectable pulsars. The findings challenge existing ...
-
NASA Reveals a Fracture in Huge Cosmic Bone: Everything You Need to Know
With the use of the Chandra X-Ray Observatory, NASA has detected a fracture in the Milky Way. The bone is a galactic center filament that is based at a distance of 26,000 light years from Earth. The fracture would have occurred due to collisions with the neutron star, known as a pulsar, that spins rapidly. The scientists suspect that the fracture w...
