Great balls of fire! Embers 10,000 times hotter than our Sun left behind by supernova

Suzaku detected X-rays from fully ionized silicon and sulfur - which indicates temperatures of 17million celsius

Suzaku found another fossil fireball in the supernova remnant W49B. It detected X-rays produced when heavily ionized iron atoms recapture an electron. This view combines infrared images from the ground (red, green) with X-ray data from Nasa's Chandra X-Ray Observatory (blue).

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