'The body of a comet is called this, just like the center of an atom'
a nucleus
ASTRO-QUIZ: The body of a comet is called this, just like the center of an atom
The body of a comet is called this, just like the center of an atom
The body of a comet is called this, just like the center of an atom
ASTRO-QUIZ
a nucleus
ASTRO-QUIZ