Astronomers used Japan’s XRISM spacecraft to detect clear X-ray signatures of chlorine and potassium in the debris of a well-known supernova. Potassium appears in the data with extremely high confidence, exceeding the 6-sigma level.
The signals…
Astronomers used Japan’s XRISM spacecraft to detect clear X-ray signatures of chlorine and potassium in the debris of a well-known supernova. Potassium appears in the data with extremely high confidence, exceeding the 6-sigma level.
The signals…