Halley's comet
Popularity 1
Describes the general characteristics of comets and gives a brief history of Halley's comet discussing its expected reappearance in late 1985-early 1986.
Juvenile literatureCometsHalley's comet
Describes the general characteristics of comets and gives a brief history of Halley's comet discussing its expected reappearance in late 1985-early 1986.