SN1987A was the nearest supernova to Earth to explode in 400 years.
A supernova is an exploding star. It is highly luminescent and emits much of its mass in the explosion.
SN1987A
SN1987A was the nearest supernova to Earth to explode in 400 years.
A supernova is an exploding star. It is highly luminescent and emits much of its mass in the explosion.