Sentences with phrase «in a supernova»

These animations illustrate the physical process which the theory about the cosmic connection to Earth's climate proposes: 1) A giant star explodes in a supernova explosion and emits cosmic rays, 2) cosmic rays enter Earth's atmosphere, 3) rays release free electrons which act a catalysts for the building blocks for cloud condensation nuclei, 4) on which water vapour condenses into clouds.

A long time ago, in a galaxy far, far away, a giant star exploded in a supernova so enormous and violent that it blew itself entirely out of existence.

Shock waves in supernova remnants are thought to be responsible for accelerating many of these particles.

The belief that these isotopes formed in a supernova explosion millions of light - years away and billions of years before the earth formed and somehow collected in small ore bodies in a fixed ratio is absurd.

Neutron stars are dense, compact objects created in supernova explosions, seen mostly as pulsars, because they emit periodic radio pulses as they spin.

The stronger moving magnetic fields produced in supernova explosions could provide the energy for most other cosmic rays.

The team will repeatedly bombard the target with the same type of ion to build a picture of the different energy levels in the resulting atoms, helping to predict the stabilities of the exotic forms made in supernovae.

At least some of the mysterious particles are born in supernova shock waves, satellite data confirm

Dust production and particle acceleration in supernova 1987a revealed with ALMA.

For many years, astronomers have known two types - «supermassive» black holes at the centers of large galaxies and the so - called «stellar - mass» black holes that result when a star about 10 times the Sun's mass ends its life in a supernova explosion.

A neutron star is the dense stellar corpse left behind after a relatively massive star dies in a supernova explosion.

Pulsars are a type of neutron star that are born in supernova explosions when massive stars collapse.

Moreover, it may lead to strong asymmetries of the stellar explosion, in course of which the newly formed neutron star will receive a large kick and spin,» describes team member Bernhard Müller the most significant consequences of such dynamical processes in the supernova core.

This research was presented in a paper «Dust Production and Particle Acceleration in Supernova 1987A Revealed with ALMA», by R. Indebetouw et al., to appear in the Astrophysical Journal Letters.

Galactic chimneys have been widely observed in other galaxies and are thought to be responsible for venting the hot, ionized gas expelled in supernova explosions into galaxy halos.

Using a state - of - the - art mass spectrometer to measure the titanium isotopes in supernova SiC grains with much better precision than could be accomplished by previous studies, the team found that the grains must have formed at least two years after their massive parent stars exploded.

Dr. Stanislav Adamenko, the laboratory's scientific director, believes that these experiments are microscopic analogs of events occurring in supernovas and other phenomena involving Z - pinched electrical pulses.36

NuSTAR, a high - energy X-ray observatory, has created the first map of radioactive material in a supernova remnant called Cassiopeia A, or Cas A, to reveal how shock waves likely tear massive dying stars apart, the researchers said in a study, published in the Feb. 20 issue of Nature.

While all stars eventually die, those that result in supernovae eventually are recycled and used to create new stars and planets.

Dubbed the 86 860 Special Edition, the model will be available in Supernova Orange with black racing stripes or Halo White.

The limited - production model (860 units) will be available in supernova orange or halo white only, both with black body...

Also, the 3D effect in the Supernova x1 is adjustable so that it can be enhanced or reduced or even disabled completely, just as in the case of the 3DS.

Staring into the dramatic corpse of a dead star known as Cassiopeia A, astronomers using NASA's NuSTAR X-ray telescope have for the first time mapped out radioactive titanium in a supernova.

Chandra had seen hot elements like iron and silicon and magnesium in the supernova cloud, and the shape of some of the material seemed to support the double - jets theory, vaguely following where the beams would be.

Residing in the plane of the Milky Way, where it can not be observed by optical telescopes because of obscuring clouds of interstellar dust, Circinus X-1 is the glowing husk of a binary star system that exploded in a supernova event just 2,500 years ago.

It may only be around 1.7 to 2.1 million years old but will explode in a supernovae within only another one to three million years (Figer et al, 1998; STScI press release; and fact sheet).

«Previous estimates of magnetic fields in supernova remnants were based on indirect arguments,» Uchiyama said.

a sun died eons ago in a supernova that allowed the iron that is your blood, in your car, and likely in the staples holding your Bible together, to exist.

How about cosmic microwave background radiation, time dilation in supernovae light curves, the Hubble deep field, the Sunyaev - Zel «dovich effect, the Integrated Sachs - Wolfe effect, the hom.ogeneity of stars and galaxies, etc, etc...

«Amateur astronomer captures rare first light from massive exploding star: First observation of optical light from shock breakout in a supernova explosion.»

In fact, just before posting this Top Pictures list, a NASA press release came out saying the Fermi satellite has seen gamma rays from this object, which is another very strong piece of evidence for this; gamma rays are the very highest energy form of light, and should be made when subatomic particles bounce around in supernova shock waves.

These programs model the process of nuclear synthesis in supernovas and infer how much uranium and thorium would be present at the birth of new stars.

Kersten and Smirnov, however, show that this decoherence effect does not have any impact on the experimental measurement of the oscillation probability for each neutrino flavour; they only demonstrate this result in cases that are similar to, albeit simpler, than what happens in a supernova, where collective effects occur.

The authors find that neutrino wave packets in supernovae are unusually small in size.

Gold and lead are both forged in supernovae and are but a few subatomic particles apart in the periodic table.

A small amount of that light, however, stayed in the supernova's immediate vicinity, bouncing off clumps of dust, or filaments.

Rather, they analyzed microscopic silicon carbide, SiC, dust grains that formed in supernovae more than 4.6 billion years ago and were trapped in meteorites as our Solar System formed from the ashes of the galaxy's previous generations of stars.

Although most researchers agree that the high velocities of pulsars must be related to their origin in supernova explosions, the exact cause of the pulsar's «punch» has remained a mystery.

Calculations based on those detections confirmed scientists» hunch that unfathomably large numbers of neutrinos are released after a star's core collapses in a supernova.

They have proposed a mechanism in which the vast numbers of neutrinos emitted in the supernova could play a crucial role in keeping the shock wave going.

It predicts that the element beryllium should form when cosmic rays break apart carbon and oxygen in the supernova debris cloud.

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.

In these events, a massive star collapses on to its hardened core, but there is no shock wave reverberating outwards and tearing the star apart, as in a supernova.

Researchers still don't understand where in the supernova and when the heavy elements form, so Kulkarni predicts there will be a «mad scramble» to detect them in G1.9 +0.3.

«It does not only govern the mass motions in the supernova core but it also imposes characteristic signatures on the neutrino and gravitational - wave emission, which will be measurable for a future Galactic supernova.

He thought the theory sounded plausible and developed a new way to describe neutrino physics in supernovae, working on newly available $ 25 million supercomputers at the Max Planck Institute, one of the few places in Europe where the computers were available for unclassified research.

The team, from Australia and the US, calculated the star's mass from the abundance of the cobalt isotopes created by nuclear fusion in the supernova.

Researchers had seen strong hints of this asymmetry in Supernova 1987A, notes astrophysicist Stan Woosley of the University of California, Santa Cruz, and computer simulations had suggested that massive instabilities in the first few seconds of a supernova blast should create «crooked fingers» of heavy elements that poke through the overlying star.