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Supernova Explosion

All articles tagged with #supernova explosion

astronomy1 year ago•3 min saved

"Ghostly Gigapixels: Capturing the Remnants of a Massive Supernova Explosion"

The Vela Supernova Remnant, located 800 light years away, is a colorful web of gas filaments left behind by a massive star that exploded 11,000 years ago, forming a dense neutron star remnant. The image, captured by the Dark Energy Camera, reveals the 100-light-year-wide trail of the explosion and the pulsar left behind. This sighting provides valuable insight into the life cycle of stars, the formation of neutron stars and pulsars, and the dynamics of supernova explosions, contributing to our understanding of the universe's evolution and composition.

via ZME Science|

#astronomy #cosmic-debris #dark-energy-camera

astronomy2 years ago•1 min saved

"Supernova Blast Unleashes Ozone Layer Catastrophe, Scientists Discover"

Scientists have discovered that a distant supernova explosion, known as GRB 221009A, temporarily destroyed a portion of Earth's ozone layer in 2022. The explosion, captured by the James Webb Space Telescope, caused a measurable alteration in the Earth's upper atmosphere, including a depletion of ozone molecules that absorb harmful solar radiation. While the ozone layer quickly repaired itself, the findings highlight the potential risk of closer cosmic bursts jeopardizing Earth's protective barrier. Astronomers emphasize the rarity of such events causing significant atmospheric disturbances and consider the distant explosion more of a scientific curiosity than a threat.

via Geo News|

#astronomy #earths-atmosphere #gamma-ray-burst

space-science2 years ago•2 min saved

Unprecedented Discovery: Brightest Gamma-ray Burst Ever Detected by UAH and Fermi Space Telescope

Researchers at the University of Alabama in Huntsville (UAH) have discovered the brightest gamma-ray burst (GRB) ever observed, occurring approximately 2.4 billion light-years away in the constellation Sagitta. The GRB, believed to be triggered by the collapse of a massive star, is accompanied by a supernova explosion, resulting in the formation of a black hole. The researchers operate the Gamma-ray Burst Monitor (GBM) at UAH, which detected the GRB and its afterglow, allowing for nearly three hours of observation. This discovery is one of the nearest and most energetic GRBs ever found.

via UAH News|

#black-hole #brightest-ever #gamma-ray-burst

science3 years ago•1 min saved

James Webb Telescope Captures Rare Supernova of Dying Star

NASA's James Webb Space Telescope has captured an image of a rare Wolf-Rayet star, 30 times the mass of our Sun, that has entered the final stage of its life prior to exploding in a spectacular supernova. The star will eject a colossal amount of material, responsible for creating the spectacular cosmic cloud seen in the new composite image surrounding the bright central star. Astronomers estimate that WR 124 has already cast off the equivalent of 10 Suns worth of mass from its outer layers.

via IGN|

#cosmic-cloud #james-webb-space-telescope #nasa