英和和英

a periodic comet

sidereal bodies

a cluster of planets called the major planets

a sidereal period

a globular cluster

Halley's Comet

celestial body (comet)

a large group of heavenly bodies, called meteor swarm

a cluster of stars in the constellation Taurus, named {Pleiades}

the tail of a comet

an erratic comet

a heavenly body called binary star

a small cluster of stars

a star called a dwarf star

a celestial body called a white dwarf

a planet called the Jovian planet

the solar system

a stellar system

stars linked as a constellation

a sidereal day

the head of a comet

A comet appears.

a star called North Star

Jovian satellites

a particle of cometary origin

a large asteroid

a galaxy called elliptical galaxy

a clock-star

a heavenly body called binary star

resembling a comet