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 E-Mail IMAGE: Astronomers using NASA s Chandra X-ray Observatory have announced the discovery of an important type of titanium blasting out from the center of the supernova remnant Cassiopeia A (Cas A), a result. view more  Credit: NASA/CXC/RIKEN/T. Sato et al.; NuSTAR: NASA/NuSTAR Scientists have found fragments of titanium blasting out of a famous supernova. This discovery, made with NASA s Chandra X-ray Observatory, could be a major step in pinpointing exactly how some giant stars explode. This work is based on Chandra observations of the remains of a supernova called Cassiopeia A (Cas A), located in our galaxy about 11,000 light-years from Earth. This is one of the youngest known supernova remnants, with an age of about 350 years.

United statesNew jerseyGoddard space flight centerShigehiro nagatakiBrianj williamsKeiichi maedaTakashi yoshidaToshiki satoRikkyo universityKyoto universityHideyuki umeda university of tokyoMarshall space flight centerCluster for pioneering researchSmithsonian astrophysical observatory chandrax ray centerJack hughes rutgers university in piscatawayBrian grefenstette california institute of technology