Sentences with phrase «to explode as supernovae»

Long gamma - ray bursts, which flash for up to 100 seconds or longer, are believed to occur when massive stars explode as supernovae.
Stars that are eight or more times the mass of the sun explode as supernovae at the end of their lives.
CE: If the first stars to evolve were somehow extremely large, they would have exploded as supernovas in only a few tens of millions of years.
«Thus, massive stars in MGG 11 can easily reach the centre of the cluster before exploding as supernovae, whereas those in MGG 9 do not,» writes the team in an article in Nature.
If they are jettisoned out of the galaxy and then explode as supernovae, the heavy elements they contain could be released into this medium.
That's according to a new analysis — part of the biggest census of star - forming regions to date — that focused on stars eight times the mass of our sun or larger (the size that eventually explode as supernovae) at a very early stage in their lifetime, when they'd still be inside the clouds of gas and dust where they formed.
After exploding as a supernova, the star would have faded from view within a year or so — and eventually from living memory, until, 25 years ago, a radio telescope near Canberra, Australia, found its curious remains.
With lives as brief as three million years, many of these massive stars soon exploded as supernovae and created black holes, of which many soon coalesced into supermassive hole and disk complexes as luminous quasars that emitted their own ionizing radiation.
Apparently, a massive star first exploded as a supernova, and then a few days later the ejected shell was heated by the energetic radiation of a subsequent GRB.
At least one of the astronomers suspects a star in that cluster exploded as a supernova and shot out gas filaments that formed new stars over a large region of space.
Aternatively, infalling matter on a white dwarf star can cause it to explode as a supernova of type Ia; these events do probably not leave a stellar remnant.
The most massive stars in the original cluster will have already run through their brief but brilliant lives and exploded as supernovae long ago.
Lower velocity runaway stars can be produced when one half of a binary pair explodes as a supernova, blasting its partner away.
Various lines of evidence, including observations from NASA's Fermi Gamma - ray Space Telescope, support the idea that shock waves from the expanding debris of stars that exploded as supernovas accelerate cosmic rays up to energies of 1,000 trillion electron volts (PeV).
Before such a merger, these stars are thought to lead a tumultuous life together, with each in turn exploding as a supernova to become a neutron star.
Perhaps, Simon says, when stars explode as supernovae inside a dwarf galaxy, the force might «blow much of the gas that is present completely out of the galaxy, reducing the amount of normal matter it contains while leaving the dark matter in place.»
At the end of its life, a massive star inevitably explodes as a supernova.
Sobral adds: «But star formation at this rate leads to a lot of massive, short - lived stars coming into being, which explode as supernovae a few million years later.
The Crab pulsar is the corpse left over when the star that created the Crab nebula exploded as a supernova.
It will likely explode as a supernova within 10,000 years, or maybe sooner.
When Population III stars matured into supergiant stars after a few million years of life or so, however, they blew off heavier elements in strong stellar winds, and many probably exploded as supernovae, contaminating the universe with richer gas and dust.
b. Have many of those stars quickly4 pass through their complete life cycles then finally explode as supernovas to produce the heavier chemical elements.
Pulsars are essentially dead stars that at one point exploded as supernovas.
These are black holes that are a few to a few dozen times the mass of our sun that were likely formed by the death of very massive stars after they'd run out of fuel and exploded as supernovas billions of years ago.
When Eta Carinae explodes as a supernova or hypernova, it is possible that the event might affect Earth, since the star is only 7,500 light years away.
Black holes this size are «born» when a heavyweight star — more than ten times the mass of the Sun — explodes as a supernova at the end of its life.
If a runaway star accumulates between 800 and 3000 times the Sun's mass before exploding as a supernova, it can produce a midsize black hole whose mass is 100 to 1000 times the Sun's.
Such large and luminous massive stars are believed to be highly evolved, all of which suggests that W26 is coming towards the end of its life and will eventually explode as a supernova.
The star then suffers a violent implosion, or collapse, after which it soon explodes as a supernova.
The initial MATISSE observations of the red supergiant star Betelgeuse, which is expected to explode as a supernova in the next thousand years, showed that it still has secrets to reveal.
First, a massive star exploded as a supernova, blasting its debris out into space.
The idea behind the death of a massive star is relatively straightforward: It gets old, runs out of fuel, collapses under gravity and then explodes as a supernova.
After a star explodes as a supernova, it usually leaves behind either a black hole or what's called a neutron star — the collapsed, high - density core of the former star.
Most stars end their lives either slowly fading away or exploding as a supernova.
A neutron star is the crushed core of a massive star that ran out of fuel, collapsed under its own weight, and exploded as a supernova.
Stars exploding as supernovae are the main sources of heavy chemical elements in the Universe.
Larger stars — those with more than about eight solar masses — will explode as supernovas.
There, young stars, born during the merger, will explode as supernovas, and a quasar — a giant black hole ignited by the galactic collision — might spew energetic radiation.
Some tens of millions of years after their birth, these massive, puffy stars exploded as supernovas, and new heavy elements were born in their fiery depths.
When a star explodes as a supernova, it shines brightly for a few weeks or months before fading away.
Cassiopeia A Just before it explodes as a supernova, a massive star is like an onion, with layers of different chemical compositions atop one another.
Pulsars are highly magnetized neutron stars, the rapidly rotating cores of stars left behind when a massive star explodes as a supernova.
When a giant star explodes as a supernova, it can outshine its own galaxy as it dishes out heat, X-rays, and the highest - energy radiation of all, gamma rays.
When a massive star dies, it explodes as a supernova, which includes a short burst of visible light, as in this illustration.
This accelerated star birth is followed a few million years later by cosmic fireworks as the heavier, faster - burning stars run out of fuel and explode as supernovae.
Overall, supernovas are rare, but as the solar system circles through the Milky Way, it sometimes passes through one of our galaxy's spiral arms, where large numbers of massive stars form and explode as supernovas.
A neutron star forms when a massive star explodes as a supernova, blowing off its outer layers while its core collapses.
As this cluster is relatively old, a part of this lost mass will be due to the most massive stars in the cluster having already reached the ends of their lives and exploded as supernovae.
Shortly after their birth, they exploded as supernovas, ejecting newly formed carbon, oxygen, and nitrogen atoms into space.
That meant the X-ray source and Geminga were one and the same pulsar: the dense, rapidly spinning core of a star that exploded as a supernova.
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