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New evidence that some supernovae may be a “double detonation”
In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring these two objects together, then their collision will create a single object with a much higher mass. This will also restart fusion, leading to an explosion.
Massive ‘double detonation’ spotted by astronomers for the first time
MUSE allows astronomers to map the distribution of different chemical elements, displayed here in different colours. Calcium is shown in blue, and it is arranged in two concentric shells. These two layers indicate that the now-dead star exploded with a double-detonation.
Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...
New Scientist on MSN2d
Stunning image of a supernova reveals a dead star that exploded twicePictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars ...
Astronomers have, for the first time, witnessed a star meeting a dramatic end by exploding twice. In a study published in ...
An international team of astronomers has discovered new structural and spectral details of SNR J0450.4−7050, a supernova ...
An international team of astronomers has employed various satellites and ground-based telescopes to perform multiwavelength ...
A supernova explosion occurred on July 4, 1054, resulting from the death of a star estimated to be nine to eleven times the ...
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