All entries of category 'astronomy'

Vulcan English Description Category
aikum-ek'duv lunar eclipse the earth interrupts light shining on the moon astronomy
aikum-solek lunar regolith unconsolidated residual or transported material that overlies the solid rock on moon astronomy
aikum-tal selenology the astronomical study of the moon astronomy
be-sfek perigee the point nearest the Earth's center in the orbit of the moon or a satellite; the point in any orbit nearest to the body being orbited astronomy
besaya t'yellar stellar cartography a room that can display three-dimensional, panoramic maps of space astronomy
dah-yel binary star a double star whose members have a revolution round their common center of gravity astronomy
dukal-yel-travek globular cluster a system of stars, generally smaller in size than a galaxy, that is more or less globular in conformation astronomy
duv umbra a dark area, especially the blackest part of a shadow from which all light is cut off; the completely dark portion of the shadow cast by the earth, moon, or other body during an eclipse astronomy
ek'duv eclipse eclipse (noun); like a solar or lunar eclipse astronomy
ek'kal t'Daison Dyson sphere an artificial hollow sphere of matter around a star designed to capture nearly all of the star's radiated energy for industrial use astronomy
ek'kal-shi-kethellar spherical coordinates system of coordinates for locating a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes astronomy
ek'tra planet a nonluminous celestial body larger than an asteroid or comet, illuminated by light from a star, such as the sun, around which it revolves astronomy
fito'ov-mathra accretion disk a structure formed by matter falling into a gravitational source such as a galaxy, black hole, or protostar astronomy
ha'gel-haulan-tavat albedo the ratio of reflected to incident light astronomy
igen-gellar aurora an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force astronomy
igen-kov meteorite a stony or metallic mass of matter that has fallen to the earth's surface from outer space astronomy
ir-zehl-kes azimuth the azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian astronomy
irak-sfek apogee apoapsis in the planet's orbit; the point in its orbit where a satellite is at the greatest distance from the planet astronomy
irak-zan-vel telescope any of various devices, such as a radio telescope, used to detect and observe distant objects by their emission, transmission, reflection, or other interaction with invisible radiation astronomy
ka-wak-gad t'kastik-wak spring equinox is the beginning of spring in the northern hemisphere when the sun appears to cross the celestial equator, heading northward astronomy
ka-wak-gad t'kastik-wak vernal equinox the point at which the ecliptic intersects the celestial equator, the sun having a northerly motion astronomy
ka-wak-gad t'urozh-wak autumnal equinox the point at which the ecliptic intersects the celestial equator, the sun having a southerly motion; the moment at which the sun passes through the autumnal equinox, about September 23, marking the beginning of autumn in the Northern Hemisphere astronomy
kahs'khior'i shooting star a streak of light in the sky at night that results when a meteoroid hits the earth's atmosphere and evaporates or melts astronomy
kal node either of two diametrically opposite points at which the orbit of a planet intersects the ecliptic astronomy
khrash-yel supernova a rare celestial phenomenon involving the explosion of most of the material in a star, resulting in an extremely bright, short-lived object that emits vast amounts of energy astronomy
kwul-razh impact crater a circular or almost circular area having a depressed floor, almost always containing a central mountain and usually completely enclosed by walls that are often higher than those of a walled plain; ring formation astronomy
Lanka-Garukh 61 Cygni the Vulcan name for a star in the constellation Cygnus (the Swan) [source: Enterprise: The Romulan War: Beneath the Raptor's Wing] astronomy
makh-vihk tektite any of numerous generally small, rounded, dark brown to green glassy objects that are composed of silicate glass and are thought to have been formed by the impact of a meteorite with the earth's surface astronomy
malat-aikum natural satellite a celestial body that orbits a planet; a moon; natural satellite astronomy
minshara planet type a planet suitable for humanoid life (Class M planet) astronomy
mu'gel-stukh-wan dark nebula the dust of interstellar medium seems to be concentrated in large clouds which appears as star-poor regions astronomy
mu'gel-tukh dark matter a hypothetical form of matter that is believed to make up 90 percent of the matter in the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force astronomy
numen-vunai quantum field a distribution of energy that is constantly creating and destroying particles and transmitting the forces of nature astronomy
pa-yut orbit the path of a celestial body or an artificial satellite as it revolves around another body (noun) astronomy
pash-yel black hole black star (literal meaning); area of space-time with a gravitational field so intense that its escape velocity is equal to or exceeds the speed of light astronomy
pash-yel-krup event horizon area between where light can escape the gravitational pull of a black hole and where it can't astronomy
pau corona the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse astronomy
pi'duv penumbra a partial shadow, as in an eclipse, between regions of complete shadow and complete illumination astronomy
pi'ek'tra asteroid any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter) astronomy
raf-kuv-threshan circular velocity the velocity at which a body must move in order to maintain an orbit at the outer edge of the earth's atmosphere astronomy
retuka dimension one of three cartesian coordinates that determine a position in space (physics) astronomy
sa'awek-vel field star stars distributed at random in space and not belonging to any particular star cluster astronomy
shi'dan-abru zenith the point on the celestial sphere that is directly above the observer astronomy
shi'igen-glantaya observatory a building, place, or institution designed and equipped for making observations of astronomical, meteorological, or other natural phenomena astronomy
shi'yel-gluvekh planetarium a place where you can project images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome astronomy
si-yel-halekik extragalactic situated outside of the galaxy astronomy
spol-yel pulsar a degenerate neutron star; small and extremely dense; rotates very fast and emits regular pulses of polarized radiation as radio waves or x-rays astronomy
stron-threshan escape velocity velocity necessary to leave Earth's gravitational pull and establish an orbit astronomy
stukh space; outer space the expanse in which the solar system, stars, and galaxies exist; the universe; the region of this expanse beyond Earth's atmosphere astronomy
stukh-grazhiv cosmic dust clouds of particles or gases occurring throughout interstellar space astronomy
stukh-ha'zehllar cosmic rays a radiation of high penetrating power that originates in outer space and consists partly of high-energy atomic nuclei astronomy
stukh-ralash galactic noise radio-frequency radiation originating outside the solar system astronomy
stukh-tal astrophysics the branch of astronomy that deals with the physics of stellar phenomena astronomy
stukh-wak-mev wormhole a distortion of space-time in a region of the universe that would link one location or time with another, through a path that is shorter in distance or duration than would otherwise be expected astronomy
stukh-wak-razh black hole an area of space-time with a gravitational field so intense that its escape velocity is equal to or exceeds the speed of light astronomy
stukh-wan nebula an immense cloud of gas (mainly hydrogen) and dust in interstellar space astronomy
stukhtra universe all matter and energy, including the earth, the galaxies, and the contents of intergalactic space, regarded as a whole astronomy
stukhtra cosmos everything that exists anywhere astronomy
sutor-aikum satellite a country under the domination or influence of another; something, as a branch office or an off-campus facility of a university, that depends on, accompanies, or serves something else astronomy
thorsh-yel nova a star that suddenly becomes much brighter and then gradually returns to its original brightness over a period of weeks to years astronomy
thorsha-wesh-kov bolide an especially luminous meteor (sometimes exploding) astronomy
torv-aikum artificial satellite man-made equipment that orbits around the earth or the moon astronomy
tu'a-yel-travek open cluster a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies astronomy
um-sfek vertex the highest point reached in the apparent motion of a celestial body astronomy
vath-ek'tra-tal planetology the branch of astronomy that deals with the planets of the solar system astronomy
vi-seshau-zehllar absorption lines the dark lines in the solar spectrum due to absorption by the solar and the earth's atmosphere astronomy
wesh-kov meteor the bright trail or streak that appears in the sky when a meteoroid is heated to incandescence by friction with the earth's atmosphere astronomy
wesh-kov-tevan meteor shower a large number of meteors that appear together and seem to come from the same area in the sky astronomy
yel sun a star that is the center of a planetary system; general name for the heavenly body (VLI) astronomy
yel star a self-luminous celestial body consisting of a mass of gas held together by its own gravity in which the energy generated by nuclear reactions in the interior is balanced by the outflow of energy to the surface (VLI) astronomy
yel-be-sfek perihelion the point in the orbit of a planet or comet where it is nearest to the sun astronomy
yel-halek galaxy vast system of celestial objects, typically consisting of between 10^6 and 10^12 stars, plus interstellar gas and dust astronomy
yel-halek- galactic of or relating to a galaxy, especially the Milky Way; enormous in size (adj.) astronomy
yel-halek-dan galactic rotation the revolving of a galaxy round its central nucleus even as it continues its proper motion astronomy
yel-halek-kuv galactic circle the great circle of the heavens, to which the course of the galaxy most nearly conforms astronomy
yel-halek-pa'ashtra galactic plane the plane that contains the disk of the Milky Way astronomy
yel-halekik galactic of or relating to a galaxy, especially the Milky Way; enormous in size (adj.) astronomy
yel-halekik shi-kethel galactic coordinate(s) a system of coordinates based on the mean plane of the Galaxy, which is inclined about 63 to the celestial equator astronomy
yel-irak-sfek aphelion apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun astronomy
yel-nel-dath constellation a familiar pattern of stars astronomy
yel-pi'maat solar system the sun with the celestial bodies that revolve around it in its gravitational field astronomy
yel-poshaya solar flare a sudden eruption of intense high-energy radiation from the sun's surface; associated with sunspots and radio interference astronomy
yel-sposhan solar prominence large eruptions of luminous hydrogen gas that rise thousands of kilometers above the chromosphere astronomy
yel-tal astronomy the scientific study of matter in outer space, especially the positions, dimensions, distribution, etc. of celestial bodies and phenomena astronomy
yel-ulidar sunspot any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields astronomy
yunai t'mokey-seshan planetary magnetic field a magnetic dipole, with the magnetic field S pole near the planet's geographic north pole and the other magnetic field N pole near the planet's geographic south pole astronomy
zehl-yel comet a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit astronomy
zehl-yel-tam coma (astronomy) the luminous cloud of particles surrounding the frozen nucleus of a comet; forms as the comet approaches the sun and is warmed astronomy

88 terms found.