'Spanning about 35 degrees in the southern sky, the Gum Nebula is a large remnant of one of these explosions'
supernova
THE SCIENCE SECTION: Spanning about 35 degrees in the southern sky, the Gum Nebula is a large remnant of one of these explosions
Spanning about 35 degrees in the southern sky, the Gum Nebula is a large remnant of one of these explosions
Spanning about 35 degrees in the southern sky, the Gum Nebula is a large remnant of one of these explosions
THE SCIENCE SECTION
supernova
THE SCIENCE SECTION