secondary+planet
91moon — I (New American Roget s College Thesaurus) n. satellite; month; lunation. See universe. II (Roget s IV) n. Syn. satellite, celestial body, heavenly body, planet, secondary planet, planetoid, crescent, New moon, halfmoon, full moon, old moon, orb… …
92moon — n. 1. Satellite, secondary planet. 2. Month, lunation …
93satellite — n. 1. Moon, secondary planet. 2. Attendant, follower, dependant, retainer, vassal, hanger on …
94satellite — 1. noun 1) the satellite orbited the earth Syn: space station, space capsule, spacecraft; communications satellite, weather satellite 2) the two small satellites of Mars Syn: moon, secondary planet 3) Bulgaria was then a Russian satellite …
95moon — n 1. satellite, secondary planet, celestial body, Archaic. lamp. 2. new moon, increscent moon, waxing moon, decrescent moon, waning moon, old moon; crescent, lune, meniscus, half moon, demilune; full moon, hunter s moon, harvest moon; disk, orb,… …
96Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …
97Hill sphere — A Hill sphere is, roughly, the volume around an astronomical body (such as a planet) where it dominates in attraction of satellites to that body, rather than to a larger body (such as a star) which it orbits. Thus, for a planet to retain a moon,… …
98Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
99Methods of detecting extrasolar planets — Any planet is an extremely faint light source compared to its parent star. In addition to the intrinsic difficulty of detecting such a faint light source, the light from the parent star causes a glare that washes it out. For those reasons, only a …
100List of Robotech characters — This is a list of the major fictional characters in Robotech, the American adaptation of three Japanese animated series: The Super Dimension Fortress Macross, The Super Dimension Cavalry Southern Cross, and Genesis Climber Mospeada, as a single… …