[DOC] [TLE] Supernova - Wikipedia [PAR] In core collapse supernovae, the vast majority of the energy is directed ... some of 
this apparently powers the following main explosion 99%+ of ... visually fainter 
than type Ia supernovae, but the total energy released is far higher. ... Around 1% 
of these neutrinos are thought to deposit sufficient... [DOC] [TLE] astrophysics - Why does a supernova explode - Physics Stack ... [PAR] May 6, 2013 ... There are lots of possible ways that stars can end their life, even in the subset of 
cases where the end is violent. ... The basic picture for producing a supernova 
from a massive star1: .... Note though, these are gamma rays. ... than any known 
supernova and 10 times the energy released by the core collapse. [DOC] [TLE] What Is a Supernova? - Space.com [PAR] Jan 27, 2014 ... When stars can't handle their nuclear fuel, they explode in a brilliant burst of light. 
... Supernovas can briefly outshine entire galaxies and radiate more energy than 
our sun will in its ... A star can go supernova in one of two ways: ... this reason, 
these supernovae are also known as core-collapse supernovas). [DOC] [TLE] Core-collapse | COSMOS [PAR] All supernovae are produced via one of two different explosion mechanisms. ... is 
used up, fusion reactions slow down resulting in the release of less energy, and 
... These burning stages become shorter and shorter as lighter elements are... [DOC] [TLE] Stellar Death - University of Oregon [PAR] The infalling layers collapse so fast that they `bounce' off the iron core at close to 
the speed of light. ... The energy released during this explosion is so immense 
that the star will out shine ... Supernova can be seen in nearby galaxies, about 
one every 100 years ... Water contains lots of protons in the form of hydrogen 
atoms. [DOC] [TLE] Collapsing stars, supernovae, and gamma-ray bursts - MPA [PAR] In rare cases this amount of energy can even be released in an enormously ... 
Cas A is the gaseous remnant of a supernova, which exploded around 1680 A.D. 
The ... These truely gigantic events have fascinated astronomers ever since they 
had .... gas velocities at one second after the start of the neutrino-driven 
explosion. [DOC] [TLE] Big Explosions and Strong Gravity - Supernova Explosions [PAR] star in a supernova explosion, thereby dispersing heavier elements throughout 
the .... As a result, the core of the star collapses catastrophically and releases 
enough ... These supernova explosions are so bright that they briefly ..... and the 
smaller one rebounds with a lot of energy, just like the outer layers of our star. [DOC] [TLE] Novae and Supernovae - University of Arizona [PAR] Key points: What causes novae, and type I and type II supernovae; origin of 
elements heavier ... When one explodes nearby, the appearance of a bright new 
star is an ... The white dwarf collapses very rapidly (just a few seconds) until the 
infalling ... where the nucleus splits into lighter ones and releases the energy that 
way. [DOC] [TLE] Supernova explosions | Las Cumbres Observatory [PAR] This gravitational collapse releases an enormous amount of energy, more than 
100 ... star off into space in a giant explosion called a supernova (plural: 
supernovae.) ... of the progenitor stars and their explosions that give rise to these 
classifications. ... There is one more empirical classification of supernovae called 
Type Ia. [DOC] [TLE] A Tale of Two (Neutron) Stars | University of Oxford Department of ... [PAR] Nov 25, 2011 ... At the end of last week, one of our colleagues here in Oxford, ... When a massive 
star explodes in a supernova, most of the energy is expelled in ... that it breaks up 
into protons and neutrons, releasing lots of energy (in neutrinos). ... these two 
proposed supernova mechanisms: the iron core collapse takes... [DOC] [TLE] Stars, Supernovas and Neutron Stars - Black Holes and Wormholes ... [PAR] However, energy from the collapse then heats up the core even more, until it is 
hot ... In this way, the star ulimately ends its life in a cataclysmic

Question: In a supernova, one of these collapses & explodes, releasing lots of energy
Answer: star