Within the rubble of an exploded star, astrophysicists have found unexpectedly high amounts of two ingredients essential for life: chlorine and potassium. The discovery could help explain where these ...
XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...
Supernova remnant Cassiopeia A, which sits within the Milky Way X-ray: NASA / CXC / SAO; Optical: NASA / ESA / STScI; IR: NASA / ESA / CSA / STScI / Milisavljevic et al., NASA / JPL / CalTech; Image ...