Incredibly Bright Dead Star Discovered by NuSTAR Telescope
Astronomers have found a pulsating, dead star beaming with the energy of about 10 million suns. This is the brightest pulsar – a dense stellar remnant…
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Monster Black Hole Found in Dwarf Galaxy
Astronomers have found an unlikely object in an improbable place: a monster black hole lurking inside one of the tiniest galaxies known. Though the black hole…
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Spitzer’s SPLASH Project Hunts for Ancient Galaxies
A new survey of galaxies by NASA’s Spitzer Space Telescope is taking a plunge into the deep and uncharted waters of our cosmos. In one of…
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After 2 Decades Hidden in Supernova Glow, Companion Star Spotted
Astronomers using NASA’s Hubble Space Telescope have discovered a companion star to a rare type of supernova. This observation confirms the theory that the explosion originated…
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White Dwarf Stars Can Reignite and Explode as Supernovae
Astronomers using ESA’s Integral gamma-ray observatory have demonstrated beyond doubt that dead stars known as white dwarfs can reignite and explode as supernovae. The finding came…
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Trigger of Nearby Supernova Sought by Chandra
New data from NASA’s Chandra X-ray Observatory offer a glimpse into the environment of a star before it exploded earlier this year, and insight into what…
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Hubble Finds Potential “Zombie Star”
Astronomers using NASA’s Hubble Space Telescope for the first time have spotted a star system that later produced an unusual supernova explosion of a white dwarf,…
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Those Big Gamma-Ray Bursts
The electromagnetic spectrum is vast, ranging from high-energy gamma rays all the way to low-energy radio waves. Different telescopes and instruments are optimised to detect different…
Read the articleNearby Blue Supergiant Mimics Earliest Stars
ESA’s XMM-Newton observatory has helped to uncover how the Universe’s first stars ended their lives in giant explosions. Astronomers studied the gamma-ray burst GRB130925A – a…
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Violent Orion Nebula Protostar Solves Meteorite Mystery
Astronomers using ESA’s Herschel space observatory to probe the turbulent beginnings of a Sun-like star have found evidence of mighty stellar winds that could solve a…
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