Vous avez cherché: meridian (Anglais - Catalan)

meridian
cim

local meridian
meridià local

the local meridian
el meridià local

local meridian sidereal time
meridià local temps sideral

the zenith is, by definition, a point along the local meridian.
el zenit és, per definició, un punt en el meridià local.

displays the time at which the highlighted object transits across the local meridian on the selected date.
mostra l' hora a la que transita a través del meridià local l' objecte ressaltat en la data seleccionada.

the local meridian is an imaginary great circle on the celestial sphere that is perpendicular to the local horizon. it passes through the north point on the horizon, through the celestial pole, up to the zenith, and through the south point on the horizon.
el meridià local és un cercle major imaginari sobre l 'esfera celest que és perpendicular a l' horitzó local. creua el punt nord sobre l' horitzó, a través del pol celest, fins al zenit i a través del punt sud sobre l' horitzó.

& contents; & skycoords; & cequator; & cpoles; & csphere; & ecliptic; & equinox; & geocoords; & greatcircle; & horizon; & hourangle; & meridian; & precession; & zenith; & julianday; & leapyear; & sidereal; & timezones; & utime; & blackbody; & darkmatter; & flux; & luminosity; & parallax; & retrograde; & ellipgal; & spiralgal; & magnitude; & stars; & colorandtemp;
& contents; & skycoords; & cequator; & cpoles; & csphere; & ecliptic; & equinox; & geocoords; & greatcircle; & horizon; & hourangle; & meridian; & precession; & zenith; & julianday; & leapyear; & sidereal; & timezones; & utime; & blackbody; & darkmatter; & flux; & luminosity; & parallax; & retrograde; & ellipgal; & spiralgal; & magnitude; & stars; & colorandtemp;