planetary

Of celestial bodies

Planetary means relating to planets—the celestial bodies orbiting stars.

A planetary system consists of a star and its orbiting objects.

Planetary science studies these bodies.

The word extends to scale: planetary consequences affect the entire Earth, and a planetary perspective considers global rather than local concerns.

exploration

rover

Drifter or space explorer

  • landerSpacecraft for surface arrival
  • spacecraftVehicle for outer space
  • NASAFederal space exploration bureau

ESA · Curiosity · Perseverance · Viking · Europa · Titan · Galileo · Cassini · Voyager · flyby

astronomical

solar

Of the star

  • nebulaInterstellar gas formation
  • galaxyGravitationally bound stellar mass
  • cosmosOrderly totality of existence

celestial · eclipse · asteroid · comet · meteor · constellation · supernova · quasar · space · interstellar

scale

global

Relating to entire world

all-encompassing · holistic · collective · interconnected · systemic · far-reaching · sweeping · massive · vast · encompassing

orbital

aphelion

Farthest point from sun

transit · ellipse · gravity · sidereal · synodic · inclination · retrograde · prograde · trajectory · rotation

ecological

biosphere

All life on Earth

habitat · sustainability · greenhouse · carbon · atmosphere · ozone · environment · stewardship · boundaries · limits

terrestrial

rocky

Covered with stones

mountains · valleys · canyons · rivers · lakes · deserts · tundra · crust · mantle · core

mechanical

gears

Toothed rotating machine parts

differential · torque · rotation · mechanism · cogs · reduction · sprocket

Categories
Opposites
celestial body type

planetarystellar

Of or like celestial bodies

solar · lunar · asteroidal · cometary · interstellar

scale/size

planetarymicroscopic

Too small for eyes

infinitesimal · minuscule · tiny · minute · diminutive

geographic scope

planetarylocal

Of this area

regional · national · municipal · provincial · parochial

Phrases
Family

planetarium, interplanetary, planetary science, planetary rings, planetary system, planetary systems, planetary ring

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Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G