Meanings

long-period comet

Mars (planet)

planetary meteorology

planetesimal

short-period comet

interplanetary matter

star map

stellar astronomy

celestial bodies

the five planets (in ancient Chinese astronomy; Jupiter, Mars, Saturn, Venus and Mercury)

lunar occultation of a planet

gaseous planet

great comet

protoplanet

satellite navigation system

exomoon

like glittering stars

astrologer

Luyten's star

Geminids