Red supergiant star's death witnessed by astronomers for the first time: report
air-and-space have captured the death of a air-and-space” target=”_blank”>red supergiant star< According to a press release from Northwestern, the team observed the red supergiant during the last 130 days before it collapsed into a Type II supernova. Previous observations showed that red supergiants were relatively inactive before their deaths, without any evidence of violent eruptions…