On the other, the dust grains might be transparent to light, allowing them to survive, but then how would they get pushed out into space? [ Video: Red Giant Star Rotation ] ...

The star — now supernova — is located in the NGC 5731 galaxy about 120 million light-years away from Earth, and was 10 times more massive than the sun, the release said.

Astronomers were able to watch the unusually violent death of a red supergiant star for the first time. The observations completely change how they understand the final days of massive stars.