Sentences with phrase «as supernova explosions»

Star formation is a longer process than previously thought, and is heavily dependent on outside events, such as supernova explosions, to trigger it, a team of astronomers has concluded.

In return, the LIGO and Virgo collaborations will be sifting through data to search for gravitational waves that could have been generated by events, such as supernova explosions, seen by the conventional observatories.

In 1992, a remote galaxy called RX J1242 - 11 erupted in a flare of x-rays as energetic as a supernova explosion.

Though the star released as much visible light as a supernova explosion, it survived the outburst.

Not exact matches

Ripples in space time have already been observed when hyper - violent events, such as stars collapsing into black holes or supernova explosions, occur.

A ring of hot spots (in images from the Hubble Space Telescope) gradually lit up as a shock wave from supernova 1987A plowed through a loop of gas that had been expelled by the star tens of thousands of years before the explosion.

«By introducing asymmetry into the explosion and adjusting the gas properties of the surrounding environment, we were able to reproduce a number of observed features from the real supernova such as the persistent one - sidedness in the radio images,» said Dr Toby Potter.

The latest pop at an answer weaves astrophysics, particle physics and biochemistry into a startling proposal: that the stellar explosions known as supernovae are to blame.

This calcium and other heavy elements could have been created in supernova explosions, and then incorporated into new stars, but the clusters as they are today are too small to keep hold of the material violently thrown out by supernovae.

As it floats in an area of the LMC racked by the explosions of numerous supernovae in recent cosmic history, one theory was that the pattern might be caused by a set of localised ripples created when clumps of debris from an ancient supernova were hit by a blast wave from a relatively recent one.

Metals (elements heavier than hydrogen and helium) are created in the interiors of stars as they evolve and then released into surrounding gas through supernova explosions or stellar winds (often referred to as chemical evolution).

Given the redshift of the light from this stellar explosion — which occurred about 10 billion years ago, when the universe was one third its current size — the object appeared much brighter than it would have been if [dust filling intergalactic space simply made the supernovae appear dim, as some researchers had proposed].

And just as stars, supernova explosions, and the Big Bang's fading glow all give off different frequencies of light, they also send out different frequencies of gravitational waves.

By carefully observing distant supernovae — stellar explosions that for a brief time shine as brightly as 10 billion suns — astronomers found that they were fainter than expected.

When the bubbling of the gas becomes sufficiently powerful, the supernova explosion sets in as if the lid of the pot were blown off.

The resulting explosion can be up to a million times as bright as the sun, but unlike supernovas, classical novas don't destroy the star.

Because this class of explosion was distinct from the far more frequent and far less bright stellar outburst known as a nova, they said, it deserved a classification all its own: supernova.

When a massive star runs out of fuel at the end of its life, it collapses and triggers a violent explosion known as a supernova.

A shock wave from that collapse will speed outward, violently expelling the star's outer layers in a massive explosion known as a supernova.

Lead author of the study, Mr M. Mirac Serim, a senior PhD student working under the supervision of Prof Altan Baykal, said, «This pulsar is particularly interesting, since as well as orbiting its partner star as part of a binary pair, it is also still surrounded by the remnants of the supernova explosion which created it.»

These outflows are driven by the life and death of stars, specifically stellar winds and supernova explosions, which collectively give rise to a phenomenon known as «galactic wind.»

Co-author Daniel Kasen from UC Berkeley and Lawrence Berkeley National Lab created models of the supernova that explained the data as the explosion of a star only a few times the size of the sun and rich in carbon and oxygen.

Known as 2014J, this was a Type la supernova caused by the explosion of a white dwarf star, the inner core of star once it has run out of nuclear fuel and ejected its outer layers.

The spectacle, 169,000 light - years away in a galaxy called the Large Magellanic Cloud, may shed light on the nature of the original explosion, a supernova known as 1987A, as well as on its surroundings.

In addition, ultraviolet light from newborn massive stars as well as gas heating and ram pressure from supernova explosions blows much of a galaxy's gas away into intergalactic space.

Such stars end their brief lives in titanic supernova explosions, so supernovae in Carina must also be twice as frequent as had been assumed until now — and the same might be true for other star - forming regions in our galaxy.

In our case, we were looking for supernova explosions to use as distance markers.

To ascertain the age of the boulders strewn by the glaciers and thus come up with a date when glaciers were at their greatest extent, Willenbring and colleagues used a technique known as cosmogenic nuclide exposure dating, which measures the chemical residue of supernova explosions.

As Pilachowski and Pace report in the September issue of The Astronomical Journal, the fluorine abundance they measure is so high that neutrinos must have created much of it during supernova explosions.

The explosion was a Type Ia supernova, the most luminous variety, which occurred when a small, dense star known as a white dwarf blew up about 7000 light - years from Earth.

Thirty years after its explosion was observed on Earth, supernova 1987A is still visible, as seen in this Hubble Space Telescope image from January.

Astrophysicists think that this process is what powers a common type of supernova explosion, known as Type II.

The goal is to ultimately clarify whether this conspiracy is the long - searched mechanism that triggers the supernova explosion and thus leaves behind the neutron star as compact remnant.

What's more, during the supernova explosion, 99 percent of the precursor stars» gravitational binding energy goes into neutrinos of all flavors while barely half a percent appears as a visible light.

Recently astronomers have pinned down the location of the bursts and tentatively identified them as massive supernova explosions and neutron stars colliding both with themselves and black holes.

However, he maintains that a nearby supernova explosion may have fertilized the solar system's embryonic cloud with some radioactive isotopes as well.

The supernova explosions that follow further whip up those shock waves, and then violently accelerate the material from previous supernovas as well.

These sources seemed best explained by hot matter spiraling into black holes tens to thousands of times as massive as the small ones born at the hearts of individual supernova explosions (ScienceNOW, 7 June 2001).

But in February, scientists discovered that stellar explosions known as supernovae act like particle accelerators, boosting protons» speeds enough to turn them into cosmic rays.

Soon after, pulsars were identified as rapidly spinning neutron stars, the remnants of supernova explosions; they weigh as much as the sun but are just a dozen miles wide.

Some of these early stars were huge, a hundred times as massive as the sun, and lived short, spectacular lives, dying in gigantic explosions known as supernovae.

A type Ia supernova arises from the explosion of an ultradense stellar remnant known as a white dwarf, but it is less than clear how the white dwarf comes to ignite in a thermonuclear blast.

A group of astronomers used Hubble to study the remnant of the Type Ia supernova explosion SNR 0509 - 68.7 — also known as N103B (seen at the top).

The team concluded that the supernova explosion hurled this stellar corpse from the blast site, leaving behind a glowing trail, which is still seen today as the handle of the frying pan.

This is about a hundred times as much energy as that released in the brightest supernova explosion, and is many times more than the amount needed to explain the origin of the bursts of gamma rays.

But as astronomers report online today in Nature, the galaxy is losing more gas than this — between three and 30 solar masses per year — as winds, radiation pressure, and supernova explosions from the starburst itself drive gas away.

At his proposed distance, the 1181 explosion was roughly a fifth as luminous as the 1987 supernova in the Large Magellanic Cloud, a nearby galaxy, that also emitted less light than the norm.

Quench cooling the gas, they observed the condensate to grow, then subsequently collapse as the attraction overwhelmed the zero - point energy of the confining potential, in a burst reminiscent of a supernova, with an explosion preceded by an implosion.

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.

Hiramatsu: As I have told earlier, if a supernova explosion occurs within a close distance of our solar system, it will be a catastrophic impact.