Sentences with phrase «explode as a supernova of»

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As far our atomic composition, we are made up of «stardust» from exploding supernovas (as noted by Lawrence Krauss, an American theoretical physicist, and Robert Kirshner, Harvard College Professor of AstronomyAs far our atomic composition, we are made up of «stardust» from exploding supernovas (as noted by Lawrence Krauss, an American theoretical physicist, and Robert Kirshner, Harvard College Professor of Astronomyas noted by Lawrence Krauss, an American theoretical physicist, and Robert Kirshner, Harvard College Professor of Astronomy).

The supernova, known as SN1987A, was first seen by observers in the Southern Hemisphere in 1987 when a giant star suddenly exploded at the edge of a nearby dwarf galaxy called the Large Magellanic Cloud.

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.

Riess has since hunted down supernovae that exploded more than 7 billion years ago, filling in gaps: The universe first slowed down as the inward pull of matter dominated over the relatively mild outward push of dark energy.

This should lead to tremendous advances in time - domain astronomy: studying fast - changing phenomena as they occur — black holes being born, supernovas exploding — as well as locating potentially Earth - threatening asteroids and mapping the little - understood population of objects orbiting out beyond Neptune.

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.

Lower velocity runaway stars can be produced when one half of a binary pair explodes as a supernova, blasting its partner away.

If they are jettisoned out of the galaxy and then explode as supernovae, the heavy elements they contain could be released into this medium.

The object is located in the center of a colorful cloud of material consisting of the remains of an ancient star that exploded as a massive supernova.

Stars exploding as supernovae are the main sources of heavy chemical elements in the Universe.

The vast distances to the galaxies and thick shrouds of dust blocked a view of the inevitable climax: supernovas exploding in rapid succession as each generation of giant stars dies out.

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.

Stars that are eight or more times the mass of the sun explode as supernovae at the end of their lives.

As for the fate of these huge stars, he adds, «They could explode as spectacular supernovas and leave no remnants behind.&raquAs for the fate of these huge stars, he adds, «They could explode as spectacular supernovas and leave no remnants behind.&raquas spectacular supernovas and leave no remnants behind.»

Four images of the same supernova flashed in the constellation Leo as its light bent around a galaxy sitting about 6 billion light - years away between Hubble and the exploding star, researchers report in the March 6 Science.

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.

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.

This space observatory will be able to study supernovas that exploded as far back as 10 billion years to analyze the shifting relationship between the pull of mass and the push of dark energy.

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.

They employed a broad spectrum of methods and other measurement data, including Baryonic Acoustic Oscillations, which are density waves from the early universe, local measurements of the Hubble constant, which specifies the universe's rate of expansion at the present day, as well as a certain group of supernovae or exploding stars.

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 supernovaAs 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 supernovaas supernovae.

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).

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.

These stars are rapidly working their way through their vast supplies of hydrogen, and have only a few million years of life left before they meet a dramatic demise and explode as supernovae.

The Caltech Center for Advanced Computing Research's VOEventNet project, which created a virtual observatory by linking a number of telescopes, introduced a software program this week that works with Sky, allowing users to post and view images and video of transient phenomena such as exploding and colliding stars, gamma - ray bursts, and supernovae within minutes of their detection.

(When big stars reach the end of their life, they explode as supernovae, leaving neutron stars or black holes behind.)

Read previous Astrophile columns: Blinged - out stars were born rich, Supercritical water world does somersaults, Attack of the mystery green blobs, Undead stars rise again as supernovae, The sticky star cluster that's mostly black hole, The rebel star that broke the medieval sky, Star exploded?

Neutron stars are the superdense remains of massive stars that have exploded as supernovas.

The evidence for dark energy came from studies of a kind of exploding star known as a Type 1a supernova.

When these supercharged early stars ran out of fuel and exploded as supernovae, they would have blasted the interstellar gas right out of the galaxy.

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.

But with a neutrino detector now being built within a Japanese mountain that could come online as early as 2016, researchers might be able to do something as yet undone: Make detailed observations of a supernova in our galaxy before it visibly explodes.

The results of the simulations thus lend support to basic perceptions of the dynamical processes that are involved when a star explodes as supernova.

At the end of its life, a massive star inevitably explodes as a supernova.

As a check of this map, Steve Rodney of Johns Hopkins University plans to search for exploding stars called supernovae in the Frontier Fields.

These neighbouring bubbles eventually merged to form a superbubble, and the short life spans of the stars at its heart meant that they exploded as supernovae at similar times, expanding the superbubble even further, to the point that it merged with other superbubbles, which is when the supershell was formed.

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.

Three potential events were considered as part of their research, including; large asteroid impact, and exploding stars in the form of supernovae or gamma ray bursts.

And then I also thought about the fact that over the history of the life of the universe, neutrinos are not just produced by the sun, but when stars explode in a supernova, the most brilliant fireworks in the universe, as brilliant as those fireworks are, less than 1 percent of the energy of the star is coming out in light; 99 percent is coming out as neutrinos and so neutrinos are being, [and] every time [a star explodes there's] an incredible burst of neutrinos.

It became known as Sagittarius A (abbreviated Sgr A) because it comes from the direction of the eponymous constellation, and astronomers speculated that it was the remains of a massive supernova — an exploded star.

, Blinged - out stars were born rich, Supercritical water world does somersaults, Attack of the mystery green blobs, Undead stars rise again as supernovae, The sticky star cluster that's mostly black hole, The rebel star that broke the medieval sky, Star exploded?

When massive stars explode as supernovae, they disperse the heavier elements they have built into space, where they become the building blocks of the next generation of stars.

Read previous Astrophile columns: Attack of the mystery green blobs, Undead stars rise again as supernovae, The sticky star cluster that's mostly black hole, The rebel star that broke the medieval sky, Star exploded?

Core collapse supernova (CCSN) rates suffer from large uncertainties as many CCSNe exploding in regions of bright background emission and significant dust extinction remain unobserved.

Eventually, they explode as supernovae (see Székely & Benedekfi (2007) for more on the death of stars).

originate from fusion reactions in the heart of stars and are spewed out when those stars explode as supernovae, the relatively high metallicity of the galaxy suggests that it had already seen the birth and death of generations of stars by the time the universe was 700 million years old.»

Before 1987, astronomers believed that only red supergiants would explode as supernovae, but this observation proved that other types of evolved stars can produce these explosions too.

Pulsars are the spinning remnants of stars that have exploded as supernovae.

In other cases, in which the mass of the star is several solar masses or more, the star may explode as a supernova.