Telegraph
•68% Informative
Elliptical galaxies - known as “red and dead”, or “zombie” galaxies - consist of old stars that lack the energy to explode in supernovae that create the building blocks of planets.
Cardiff University astronomers studied the aftermath of a low energy supernova in an elliptical galaxy.
The original star had been part of a binary st Cardiff University team found that when it exploded, the shockwave crashed into material cast off by itself and its sister star. Nature Astronomy more than 300 million Gi">One day Santa Barbara the University of California Las Cumbres Observatory Prof Andy Howell Gomez supernova Haley Gomez aryFeed_hi Cardiff University’s School of Physics class="summaryFeed_hig One ghtText__NxlGi">three years Australia ESA tTe Herschel Space Observatory span> Chinaaround 10 years ago summaryFeed_highLightText__NxlGi">NEOWISE Spitzer NASA Earth Sun only 1,041 days ed_highLightText__NxlGi">1per cent
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