A spectacular supernova explosion, more than a billion times brighter than our sun, marked the birth of a neutron star orbiting its hot and dense companion. Now these two dense remnants are destined ...
XRISM observations of Cassiopeia A reveal abundant chlorine and potassium, showing supernovae can forge these life-linked elements and clarifying their cosmic origins. (Nanowerk News) "Why are we here ...
This cartoon courtesy of Anthony Piro illustrates three possibilities for the origin of the mysterious hydrogen emissions from the Type IA supernova called ASASSN-18tb that were observed by the ...
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