Sentences with phrase «iron core collapses»

Not exact matches

Once iron forms in the core, fusion stops and gravity overwhelms the star, collapsing its core and setting up a shock wave (yellow) that travels outward.

But when the core has turned to iron, no further fusion reactions are possible and gravity is unchallenged, so the star begins to collapse.

And all of the elements in the universe that are heavier than iron, from cobalt to roentgenium, are thought to be created during core collapse supernovae explosions.

At the end of its life, having exhausted its fuel and left with a dense iron core, the star collapses and sheds its outer layers, leaving behind a dense neutron star in its wake.

The star collapses by its own gravity and the iron core heats up.

The researchers think that, as the iron core of the dying star collapsed, it gave off neutrinos that heated the matter behind the shock wave, causing bubbles to rise (rather like they would from the bottom of a pot of boiling water, Grefenstette said) and causing material to slosh around.