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Tag: Supernova

Zombie Star: Astronomers Find Supernova That Did Not Die Even After Exploding

The supernova PTF14hls, which managed to survive an explosion in 1954, exploded again and continued to survive. What are the characteristics of this zombie star that defy astronomers' understanding of stellar death?

Space November 9, 2017

Dying Star Gives Birth To A Black Hole

A massive star in a nearby galaxy was being reborn into a black hole without a bang. Scientists said the black hole candidate may have been formed through a process known as failed supernova.

Space May 26, 2017

Astronomers Get Rare View Of Type Ia Supernova Magnified 50 Times

A team of astronomers captured multiple images of the gravitational lensing of supernova iPTF16geu located about 4 billion light-years away. Find out more about this extremely rare cosmic event.

Space April 21, 2017

Dark Energy May Be Myth, Standard Models Of Universe Overlooked Changing Structure: Study

The dark energy that is believed to fill 68 percent of the energy of the universe and accelerate its expansion is a myth and does not exist at all, according to new research. The study challenges the standard models of the universe.

Energy April 2, 2017

NASA Found Monster Black Hole Kicked Out Of Galactic Core

NASA's Hubble Telescope has detected a monster black hole hurtling away from the central hub of its parent galaxy. It is the first supermassive black hole discovered to have been evicted from its home.

Space March 24, 2017

Hubble Celebrates 30th Anniversary Of Supernova 1987A With Spectacular Images

Hubble is celebrating the 30th anniversary of the discovery of Supernova 1987A, a blazing stellar explosion that provided insights into the nature of supernovas. NASA released spectacular images and time-lapse videos that display the supernova’s structure.

Space February 25, 2017

Baby Supernova Sheds Light On How Stellar Explosions Happen

The discovery a nwwborn supernova can help shed light on how giant stellar explosions happen. Discovered three hours after its explosion, the cosmic baby belongs to the most common variety, Type II supernova.

Space February 19, 2017

Scientists Discover A Supernova Just After Its Explosion

In an exciting discovery, astronomers have spotted a supernova merely three hours after it exploded in the galaxy. The scientists have revealed that the star was emitting gaseous matter prior to explosion.

Space February 14, 2017

Astronomers Propose Low-Mass Supernova May Have Triggered The Formation Of The Solar System

How did the solar system form? According to some astronomers, it all began when a dust and gas cloud was disturbed, a process possibly triggered by a low-mass supernova.

Space November 29, 2016

Explosion Of Hibernating White Dwarf Star In Binary System Proves Nova Hibernation Hypothesis

Mini outbursts leading up to the final explosion of a white dwarf star provided evidence of nova hibernation hypothesis. What does this theory suggest?

Space August 18, 2016

Supernova To Blame? Nearby Explosion Might Have Caused Mass Extinction On Earth

Could a supernova explosion that occurred hundreds of light-years away cause mass extinctions on Earth? A new study provides details on such an event that happened millions of years ago.

Space July 13, 2016

Crab Nebula On The Menu For Hubble Space Telescope

The Hubble Space Telescope has photographed the Crab Nebula like never before. What can astronomers learn from this new composite image?

Space July 7, 2016

Explosion Of Nearby Massive Star As Powerful As Detonation Of 100 Million Suns

Experts found that a nearby massive star exploded at a rate as powerful as 100 million suns. The study paves the way for information about how supernova explodes and dies in general.

Space April 29, 2016

Radioactive Metal Reaching Planet Earth May Come From Nearby Supernova Explosion

New data showed that cosmic rays hailed from nearby clusters of massive stars, where a supernova explosion occurs every few million years. The radioactive debris bolstered beliefs that these explosions must not have been too distant or too long ago.

Space April 25, 2016

Did Exploding Supernova Alter The Course Of Human Evolution?

Supernovae that took place millions of years ago may have altered the course of human evolution. What do we know about these explosive events in the outer cosmic neighborhood?

Space April 6, 2016

NASA's Kepler Space Telescope Catches Flash Of Exploding Star For The First Time

For the first time, astronomers witnessed the elusive shock breakout in a supernova. This was made possible by NASA's Kepler space telescope, which caught two massive stars exploding.

Space March 23, 2016

NASA's Hubble Telescope Captures Image Of Blue Bubble In Space

NASA's Hubble Space Telescope was able to capture a blue bubble in space. The spectacular sea of blue are dust and gases that envelope a Wolf-Rayet star called WR 31a.

Space February 28, 2016

Graphene That Behaves Like Water Can Pave Way For Chips That Can Model Black Hole, Supernova Behaviors

Researchers used high-purity graphene and observed for the first time that its charged particles behave like liquid with relativistic properties. This discovery holds promise for thermoelectric devices as well as for studying the behavior of black holes and celestial bodies.

February 16, 2016

Rare Supernova Impostor Found In Nearby Galaxy NGC 300

Researchers found that a supernova-wannabe star in a nearby galaxy called NGC 300 had a badass companion. They thought the case was closed in 2010 when the impostor was first found but a second look at the supernova impostor revealed something else.

Space February 14, 2016

Red Giant Betelgeuse Overthrows All Scientific Theories As Dying Star Remains Cool

Massive star Betelguese, which is nearing its end of life, is expected to eject much of its mass out into space. But where is the red giant from the Orion constellation getting the energy to do that when it is much cooler than it is supposed to be?

Space January 28, 2016

Astronomers Are Reporting The Brightest Supernova Ever Observed, A Real Record-Breaker

Supernova shining with the light of 570 billion suns is the brightest ever observed. The massive supernova challenges theories about how giant stars die, researchers say.

Space January 15, 2016

Hubble And Spitzer Space Telescopes Spot Five Possible 'Twins' Of Superstar Eta Carinae

Scientists found five possible twins of Superstar Eta Carinae, the biggest and brightest stellar system in our galaxy within 10,000 light-years. A recent analysis of NASA's archival data from the Hubble and Spitzer telescopes revealed Eta Carinae isn't so unique after all.

Space January 7, 2016

Hubble Space Telescope Captures Merging Of Two Galaxies For The First Time

Hubble Space Telescope captured an image of galaxy NGC 6052, located in the constellation of Hercules about 230 million light years away. It is not a single galaxy, rather two galaxies in the process of merging.

Space January 4, 2016

Hubble Captures Images Of First Predicted Supernova Explosion

For the first time, astronomers were able to see the explosion of a supernova when and where they have predicted this to occur. The prediction was based on different models of the galaxy cluster MACS J1149.5+2223.

Space December 18, 2015

NASA: Chandra X-ray Observatory Images Hint Origins Of Jellyfish Nebula

New NASA images from Chandra X-ray observatory showed that the supernova explosion creating the Jellyfish Nebula may have formed the pulsar J0617. However, the age of the nebula remains a puzzle.

Space December 12, 2015

Mysterious Fast Radio Bursts May Have Starquake Origins

Astronomers studied fast radio bursts, or the mysterious pulses that likely hailed from a highly magnetized region of space and linked to a recent supernova. The blast was recorded by the Green Bank Telescope and gave insight into this phenomenon baffling scientists for nearly a decade.

Space December 3, 2015

Supercomputer Simulation Demontrates Collapse Of Massive Stars

Researchers showed how the collapse of massive stars happen by using a three-dimensional simulation in a supercomputer. As the star collapses, it will be in a rapid rotation forming a dynamo that revs the magnetic field million billion times stronger than Earth's own magnetic field.

Space December 2, 2015

Hypergiant Star Seen Shedding Mass Ahead Of Explosive Death As Supernova

Scientists see the mechanism by which a red hypergiant star sheds mass and expands on the way to death in a massive cosmic explosion. The star, VY Canis Majoris, is 30 to 40 times the mass of our sun but is nearing the end of its short life, researchers say.

Space November 26, 2015

Gamma-Ray Pulsar Glows Outside Milky Way Galaxy

Imaged by NASA’s Fermi telescope, the gamma-ray pulsar lies in the Tarantula Nebula’s outskirts. Called PSR J0540-6919, it is responsible for around half of the gamma-ray brightness originally believed to come from the nebula.

Space November 14, 2015

Hubble Catches Sight Of A Dying Star’s Beautiful Final Moments

The Hubble Space Telescope captured this breathtaking image of a planetary nebula. Like a supernova, a planetary nebula is the explosive phase of a star's death, but these two phenomena are not the same.

Space August 3, 2015

Astronomers Find Cannibal Star Making A Meal Of Its Cosmic Companion

Rare binary star system features a white dwarf actively consuming its much larger companion star, astronomers say. The result could be a supernova explosion, they say.

Space July 20, 2015

Tiny Stars Power Biggest Explosions In Universe With Their Super Strong Magnetic Fields

Gamma-ray bursts, such as those shown in this artist's rendering, are associated with some of the biggest explosions in the universe. They were thought to be caused by massive stars, but new observations suggest that they are actually powered by the magnetic fields of tiny stars.

Space July 8, 2015

Earth To See Galactic Fireworks Display In 2018 With Collision Of Pulsar With Its Companion Star

A high energy cosmic firework will happen in early 2018 when a pulsar known as J2032 collides with its companion star MT91 213.

Space July 6, 2015

Hubble Discovers Rare Supernovae Of Three Stars 'Exiled' From Their Home Galaxies

Three supernovae were seen exploding far from their home galaxies, while a fourth may have been spotted in a densely packed cluster. What could these stars tell us about the structure of the universe?

Space June 6, 2015

Trio Of 'Exiled' Stars Explode Into Colorful Supernovae In Deep Space: What Are Different Types Of Supernovae?

The three solitary stars that turned supernovae in the void between galaxies are believed have exploded as Type Ia supernova. This means that the stars may have companion stars.

Space June 6, 2015

Stars That Exploded As Supernovae Were 'Exiles' Ejected From Their Cosmic Homes

Three recently observed supernovae exploded outside of any galaxy, researchers say. The events were the death throes of stars 'exiled' from any host galaxy, they explain.

Space June 4, 2015

Supernova Material Collides With White Dwarf Companion - What Did This Teach Astronomers About The Universe?

A Type 1a supernova was seen in the process of exploding. Observations may reveal the underlying nature of these powerful events.

Space May 20, 2015

Lopsided Star Explosion Could Unravel Mysteries Of Black Holes, NuStar Suggests

NuStar recorded data from a supernova seen 27 years ago that could reveal new information about the stellar explosions. Why are lopsided supernovae the only way to explode a star?

Space May 8, 2015

NASA Hopes Sounding Rocket Can Unveil Mysteries Of Supernova Remnants

In May, NASA will launch a sounding rocket into the remains of a supernova and measure it with X-rays to determine what makes up the debris left after this ancient explosion.

Geek April 30, 2015

Strange Supernova Could Be 'Missing Link' In Understanding Gamma Ray Bursts

Supernova can result in gamma ray bursts — or not. Now, scientists have observed the remains of one that was 'on the edge' for the first time.

Space April 28, 2015

Aliens Or Cosmic Phenomenon: Where Are Mysterious Radio Bursts From Space Coming From?

Puzzled astronomers cannot discredit the theory of extra terrestial over the last decade due to radio bursts occurrence.

Space April 8, 2015

Oldest Known Nova First Recorded In 1670 Reclassified As Stellar Collision

Scientists reclassify the oldest known nova of 1670 as a stellar explosion. Astronomers suggest that the explosion was so powerful that it was also visible to the naked eye during the initial outburst.

Space March 24, 2015

Milky Way's Center Is A 'Dust Factory' Run By Supernovae

Dust in a supernova remnant was been measured, for the first time, by astronomers. What can this tell us about the formation of planets and life in the Universe?

Space March 19, 2015

Einstein Cross: How Hubble Captured Images Of Supernova Explosion Four Times

Light from a supernova that exploded more than 9 billion years ago passes a massive cluster of galaxies, resulting in four separate images of the supernova in the shape of a cross. The phenomenon is known as Einstein cross.

Space March 9, 2015

Hubble Sees Four Images of Supernova For The First Time

Surprising scientists, the Hubble Space Telescope recently captured four images of a supernova thanks to gravitational lensing. This is the first time the telescope has captured multiple images of such a celestial body.

Space March 6, 2015

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