'The Crab Nebula was formed by one of these massive exploding stars in 1054'
a supernova
ASTRONOMY: The Crab Nebula was formed by one of these massive exploding stars in 1054
The Crab Nebula was formed by one of these massive exploding stars in 1054
The Crab Nebula was formed by one of these massive exploding stars in 1054
ASTRONOMY
a supernova
ASTRONOMY