'Part of this astronomer's "belt" theory says small chunks of matter are the building blocks of planets'
Gerard Kuiper
ASTRONOMY: Part of this astronomers belt theory says small chunks of matter are the building blocks of planets
Part of this astronomer's "belt" theory says small chunks of matter are the building blocks of planets
Part of this astronomer's "belt" theory says small chunks of matter are the building blocks of planets
ASTRONOMY
Gerard Kuiper
ASTRONOMY