stellar evolution

(redirected from Stellar death)
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stellar evolution

n
(Astronomy) astronomy the sequence of changes that occurs in a star as it ages
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References in periodicals archive ?
At stellar death, a highly relativistic, narrow beam of material can be ejected from the poles of the star which glows brightly first in gamma radiation and then across the entire electromagnetic spectrum and is known as a GRB.
This form of stellar death creates a brilliant and breathtaking sight--termed a planetary nebula--a glimmering, shimmering object that sometimes is referred to as a "butterfly" of the cosmos, as homage to its great beauty.
Will we detect more on the "wrong" side of the line, and if so, how will they change our understanding of stellar death?
Together with his team, they patiently searched for massive stellar death explosions known as supernovae.
The composite image (see below) features the spectacle of stellar evolution: from vibrant regions of star birth, to young hot stars, to old cool stars, to seething remnants of stellar death called black holes.
Such systems are expected to be relatively common where stellar death exceeds star birth, he notes, such as in our region of the galaxy.
In the case of the Crab, you have in your telescope the ashen aftermath of a violent stellar death witnessed by our ancestors nearly a millennium ago.
"But what we observed challenged our current notions of stellar death."
A new view of a well-studied supernova remnant is complicating astronomers' understanding of stellar death.
The long stellar death march that led to the supernova explosion produced the central ring of gases, which stretches across a light-year of space.