Sentences with phrase «most massive star»

Based on their observations, they concluded that this TDE either tore apart the most massive star ever to be a part of one of these events, or it was the first time that a small star was completely consumed in a TDE.

Not only are these stars powerful evidence for an important theory of galactic evolution, they are also likely to be over 10 billion years old — the dim, but dogged survivors of perhaps the oldest and most massive star cluster within the Milky Way.

It just may be the brightest, most massive star ever seen.

The extraordinary long bright phase of this TDE means that either this was the most massive star ever to be torn apart during one of these events, or the first where a smaller star was completely torn apart.

Last year British astronomers identified the most massive star ever seen: a behemoth weighing 265 times as much as our sun, so huge that it challenges astronomers» models of how stars are born.

A SUPERNOVA that burst onto the cosmic scene in April 2007 was probably the death throes of the most massive star yet discovered.

About 7,500 light - years from Earth, two of our galaxy's most massive stars have engaged in a mysterious war that's raged off - and - on for millennia.

The most massive stars in the original cluster will have already run through their brief but brilliant lives and exploded as supernovae long ago.

«Massive fails» like this one in a nearby galaxy could explain why astronomers rarely see supernovae from the most massive stars, said Christopher Kochanek, professor of astronomy at The Ohio State University and the Ohio Eminent Scholar in Observational Cosmology.

For less massive stars like the Sun the process that brings them into existence is quite well understood — as clouds of gas are pulled together under gravity, density and temperature increase, and nuclear fusion begins)-- but for the most massive stars buried in regions like RCW 106 this explanation does not seem to be fully adequate.

[3] As a by - product, these observations have also led to the discovery of new, unexpected stellar companions orbiting around some of the most massive stars in the sample.

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.

Westerlund 1 is a unique natural laboratory for the study of extreme stellar physics, helping astronomers to find out how the most massive stars in the Milky Way live and die.

The discovery is «extremely important in terms of understanding the evolution of the most massive stars,» says x-ray astronomer Michael Corcoran of NASA's Goddard Space Flight Center in Greenbelt, Maryland.

But this paper is «solid, because it presents all of the necessary data» showing that these are indeed viable candidates for the most massive stars known to date.

The amount of detail and complexity in the images «will allow us to test in detail our models of the birth of the hottest and most massive stars,» he says.

But especially where the most massive stars are born, there's another major player that's more difficult to measure: magnetic fields.

Explanation: In the center of star - forming region 30 Doradus lies a huge cluster of the largest, hottest, most massive stars known.

At its core is a large cluster of stars known as R 136, in which some of the most massive stars known are located.

Scientists study these celestial giants in order to understand how some of the largest and most massive stars in the universe evolve.

Only the most massive stars — those of more than three solar masses — become black holes at the end of their lives.

They are illuminated and heated by a torrent of energetic ultraviolet light from its four hottest and most massive stars, called the Trapezium, which lie near the center of the image.

[nb 5][9] Some of the most massive stars lie within this spectral class.

The method computes the ratio of MST lengths of any chosen subset of objects, including the most massive stars and brown dwarfs, to the MST lengths of random sets of stars and brown dwarfs in the cluster.

For example, the ultraviolet light comes from the youngest and most massive stars, while the optical and near - infrared continuum light is emitted mostly from more evolved stars.

This young cluster of about 3,000 stars in our Milky Way is called Westerlund 2 and contains some of the galaxy's hottest, brightest, and most massive stars.

The energy output we measure from these galaxies shows us that the most massive stars created in the starburst have not yet used up their fuel and exploded, though they will do so relatively soon.

Some of the most massive stars have lifetimes of less than a few million years before they exhaust their nuclear fuel and explode as supernovae.

Not exact matches

«The most massive, hottest stars can form, grow, swell, explode and leave a neutron star emitting X-rays in about 5 million years.»

This large sample allowed the scientists to derive the most accurate high - mass segment of the IMF to date, and to show that massive stars are much more abundant than previously thought.

This allowed the international team to determine that the explosion was a Type IIb supernova: the explosion of a massive star that had previously lost most of its hydrogen envelope, a species of exploding star first observationally identified by Filippenko in 1987.

Mysteriously, most of these black holes are inconveniently sized, appearing too large to have readily formed directly from dying massive stars.

Most black holes are thought to form when very massive stars — those with more than about 10 times the mass of sun — exhaust their nuclear fuel and begin to cool and therefore contract.

This image shows the most common type of gamma - ray burst, thought to occur when a massive star collapses, forms a black hole, and blasts particle jets outward at nearly the speed of light.

Most astrophysicists think that gamma ray bursts, fantastically energetic flares from deep space, stream from new black holes that form when the cores of massive spinning stars collapse to trigger supernovas.

Previously the most massive neutron star known was between 1.66 and 1.68 times as massive as the sun.

Hidden in its gaping maw may be the Milky Way's most massive cluster of young stars.

Most astronomers believe that a quasar is a massive black hole at the centre of a galaxy, greedily sucking in stars and gas, which become so hot that they give off tremendous amounts of energy.

This is the misconception that most of us still harbor today, that a black hole is simply a star so massive that even light can not escape it.

MOST people don't like to be alone, and the same goes for massive stars.

A CANNIBALISTIC collapsed star is growing so fat from the partner it is slowly devouring that it is likely to be the most massive neutron star yet...

A computer model developed by the team suggests that the grains must reach the size of boulders within a million years; otherwise, the dust particles and circumstellar gases will be blown apart by fierce ultraviolet radiation from the nebula's hottest, most massive young stars.

One of the most chemically strange stars we know could chart a path to the so - called «island of stability», where massive yet relatively stable atoms exist

These stars may even be the remains of the most massive and oldest surviving star cluster of the entire Milky Way.

But only some of the most massive astrophysical events, such mergers of black holes and neutron stars, can produce gravitational waves strong enough to be detected on earth.

The chemical elements in these grains are forged inside stars and are scattered across the cosmos when the stars die, most spectacularly in supernova explosions, the final fate of short - lived, massive stars.

As astronomers report online today in Nature, magnetic fields inside M33's six most massive giant molecular clouds — large concentrations of dense gas and dust that give birth to stars — line up with the spiral arms, suggesting the magnetic fields helped create the huge clouds and that they regulate how the clouds fragment to form new stars.

A massive star creates huge amounts of oxygen and neon during its life and then hurls them into space when it explodes, so both elements are common: Oxygen is the third most abundant element in the universe, after hydrogen and helium, and neon ranks fifth or sixth.

Although some of the galaxies have initial mass functions like the Milky Way's, others have a far greater proportion of small stars, with the most massive elliptical galaxies being the most extreme.

Giant clouds of molecular gas — the most massive objects in our galaxy — are the birthplaces of stars.