Eurostronomia Dictionary Bulgarian, English, French, German, Macedonian, Portuguese, Romanian, Slovene with English explanations A Ablation (E,D) Ablation involves removing material from an object's surface by Ablacija (Sl) vaporizing, chipping, or other erosive procedures caused by friction Аблација (M) with the atmosphere. Ablação (-P) Ablație (Ro) Аблация (BG) Azimute (P) Means path in Arabic, and is widely used in astronomy, topography, Azimut (D, Ro,Sl) engineering etc. In azimuth, the direction corresponds to the north, Azimuth (E) and increases according to the clockwise side. Азимут (M, BG) Azimute (P) Means path in Arabic, and is widely used in astronomy, topography, Azimut (D, Ro,Sl) engineering etc. In azimuth, the direction corresponds to the north, Azimuth (E) and increases according to the clockwise side. Азимут (M, BG) Absolute Magnitude (E) Absolute magnitude is an inverse logarithmic astronomical magnitude Absolute Helligkeit(D) scale measure of the luminosity of a celestial object as it would be Absolutna magnituda (Sl) seen at a standard distance of 10 parsec. Апсолутна големина (M) Magnitude absoluta (P) Абсолютна величина (BG) Magnitudine absolută (Ro) Absolute Zero (E) The lowest temperature that is theoretically possible, at which the Absoluter Nullpunkt (D) motion of particles which constitutes heat would be minimal. It is zero Zéro absolu (F) on the Kelvin scale, equivalent to −273.15°C. Апсолутна нула (М) Absolutna ničla (Sl) Zero absolut (Ro) Zero absoluto (P) Абсолютна нула (BG) Absorption lines (E) Dark lines that are produced in a spectrum due to gases absorbed Absorptionslinien (D) photons of a specific wavelength. Апсорбциони линии (M) Lignes d'absorption (F) Absorpcijska črta (Sl) Linii de absorbție (Ro) Linhas de absorção (P) Абсорбционни линии (BG) Accretion (E) Accretion in astrophysics is the accumulation of particles into a Zunahme (D) massive object by gravitationally attracting more matter in an Акретион (M) accretion disk, typically gaseous matter. Akrecija (Sl) Acreção (P) Acreție (Ro) Hатрупване (BG) Acceleration (E) Acceleration is the rate of change of velocity of an object with respect Beschleunigung (D) to time. Pospešek (Sl) Забрзување(М) Aceleração (P) Accelerație (Ro) Ускорение (BG) Accretion Disk (E) An accretion disk is a structure created by diffuse material in orbital Akkretionsscheibe (D) motion around a huge central body (often a circumstellar disk). Akrecijski disk (Sl) Акреционен диск (М) Disco de acreção (P) Disc de acreție (Ro) Диск за екскреция(BG) Achondrite (Е) An achondrite is a stony meteorite that does not contain chondrules. Achondrit (D) It consists of material similar to terrestrial basalts or plutonic rocks Ahondrit (Sl) and was differentiated and reprocessed to a lesser or greater degree Acondrite (P) due to melting and recrystallization on or within meteorite parent Acondrit (Ro) bodies. Акондрит (М) Ахондрит (BG) Adaptive optics (E) Adaptive optics (AO) is a technology used to enhance optical system Adaptive Optik (D) efficiency by decreasing the impact of incoming wavefront distortions Прилагодувачка оптика by deforming a mirror to compensate for the distortion. (М) Adaptivna optika (Sl) Optique adaptative (F) Ótica adaptativa (P) Optică adaptivă (Ro) Адаптивна оптика (BG) Air pressure (E) Atmospheric pressure, sometimes also called barometric pressure, is Luftdruck (D) the pressure within the atmosphere of Earth. Воздушен притисок (М) Pressão do ar (P) Presiune atmosferică (Ro) Zračni tlak (Sl) Въздушно налягане(BG) Albedo (E, D, Sl, Ro) Albedo is the measure of the diffuse reflection of solar radiation from Rueckstrahlvermögen (D) an astronomical body's complete solar radiation. Албедо (М, BG) Albedo feature (E) An albedo feature is a big region on a planet's surface that indicates a Albedo-Fähigkeit (D) contrast with neighbouring regions in brightness or darkness. Funkcija Albedo (Sl) Recurso de Albedo (P) Regiune Albedo (Ro) Албедо функција (М) Албедо функция(BG) Alpha centauri (E,D,Ro) At 4.37 light-years from the Sun, Alpha Centauri is the nearest star Centauri alfa (P) system and planetary system to the Solar System. Alfa Kentavra (Sl) Алфа кентаур (М) Алфа кентаври (BG) Altitude (E, P) Altitude is a range measurement between a reference date and a Altitudine (Ro) point or object, generally in the vertical or "up" direction. Hoehenlage (D) Višina (Sl) Надморска висина (М) Надморска височина (BG) Andromeda galaxy (E, P) The nearest galaxy to us - only 2,537,000 light years away. Galaxia Andromeda (Ro) Andromedina galaksija (Sl) андромеда галаксија (M) Галактика Андромеда(BG) Aphelion(E) For a body orbiting the Sun the point of greatest distance. Aphel (D) Апфел (M) Afelij / Odsončje (Sl) Aphélie (F) Afeliu (Ro) Afélio (P) Афелий (BG) Apoapsis (E,D,Ro) The high point in an orbit. Apoapsida (Sl) Апоапсис (M) Apogee (E) For the Moon orbiting around the Earth the point of greatest distance. Apogäum (D) Апогеј (М) Apogej (Sl) Apogée (F) Apogeu (P) Apogeu (Ro) Апогей (BG) Apollo 11 An American mission that succeeded in landing on the moon. Neil Armstrong was the first person on the moon. Apparent Magnitude (E) Apparent magnitude is a measure of a star or other astronomical Scheinbare Helligkeit (D) object's relative brightness as seen by an observer. Vidna magnituda (Sl) Magnitude aparente (P) Magnitudine aparentă (Ro) Очигледна големина (M) Явна величина(BG) Arc degree (E) Arc Degree generally denoted by ° (the symbol of degree) is a plane Grad (D) angle measurement, defined in such a way that a complete rotation is Grau de arco (P) 360 degrees. Степен на дъга (BG) Grad (Ro) Kotna stopinja (Sl) Лачен степен (М) Asterism (E,BG, Ro) Any prominent star pattern that isn’t a whole constellation, such as Asterismus (D) the Northern Cross or the Big Dipper. Asterismo (A) Asterizem (Sl) Asteroid (E, D, Sl) A small rocky body orbiting the sun, too small to be classified as a Астероид (М) planet. Astéroïde (F) Asteroid (Ro) Asteróide (P) Астероид (BG) Asteroid Belt (E) The region of space between the orbits of Mars and Jupiter where Asteroiden-Gürtel (D) most of the asteroids in our Solar System are found orbiting the Sun. Ceinture d'astéroïdes (F) Астероиден појас (М) Asteroidni pas (Sl) Centură de asteroizi (Ro) Cintura de asteróides (P) Астероиден пояс (BG) Astrobiology (E) An emerging branch of science concerned with the possibility of life in Astrobiologie (D) space and the origins of life on Earth. Астробиологија (М) Astrobiologie (F) Astrobiologija (Sl) Astrobiologie (Ro) Astrobiologia(P) Астробиология (BG) Astrochemistry(E) Astrochemistry is the study of the abundance and reactions of Astrochemie (D) molecules in the Universe, and their interaction with radiation. Astrokemija (Sl) Astroquímica (P) Astrochimie (Ro) Астрохемија (М) Aстрофизика(BG) Astronomical Unit (E) The average distance between Earth and the Sun, which is about 93 Astronomische Einheit (D) million miles or 150 million kilometres, usually used to measure Астрономска единица (М) distances within our Solar System. Astronomska enota (Sl) Unité astronomique (F) Unitate astronomică (Ro) Astronome (F) Unidade astronómica (P) Астрономическа единица (BG) Astronomy (E) The branch of science, which deals with celestial objects, space, and Астрономия (BG) the physical universe as a whole. Astronomie (D, F) Астрономија (M) Astronomia (P) Astronomie (Ro) Astronomija (Sl) Astrophysics (E) Investigation, through remote sensing, of the physical properties of Astrophysik (D) astronomical objects. Астрофизика (M) Astrofizika (Sl) Astrophysique (F) Astrofizică (Ro) Astrofísica (P) Астрофизика (BG) Аtmosphere (E, F) An atmosphere is a layer or set of gas layers surrounding a planet or Atmosphäre (D) other material body kept in location by that body's gravity. Atmosfera (Sl) Атмосфера (M) Atmosfera (P) Atmosferă (Ro) Атмосфера (BG) Aurora (E, D, P) An aurora, sometimes referred to as polar lights, northern lights, Аурора (М) southern lights, is a natural light display in the Earth's sky, Polarni sij / Aurora (Sl) predominantly seen in the high-latitude regions. Aurore bopréale (F) Auroră (Ro) Северно сияние (BG) B Barlow Lens (E) A lens that’s placed into the focusing tube to effectively double or Обектив на барлоу (BG) triple a telescope’s focal length and, in turn, the magnification of any Ленова леќа (M) eyepiece used with it. Barlow-Linse (D) Lente de Barlow (P) Lentile Barlow (Ro) Barlow leče (Sl) Barometer (E,D, Sl) A barometer is a scientific instrument used in a certain setting to Барометар (М) measure air pressure. Barómetro (P) Barometru (Ro) Barred spiral galaxy (E) A barred spiral galaxy is a spiral galaxy with a central bar-shaped Balkenspiralgalaxie (D) structure composed of stars. Прачкеста спирална галаксија (М) Spiralna galaksija s prečko (Sl) Galáxia espiral barrada (P) Galaxie spirală barată (Ro) Пресечена спирална галактика (BG) Barycentre (E) The barycentre is the centre of mass of two or more bodies orbiting Baryzentrum (D) each other and the point the bodies are orbiting about. Baricentro (P) Baricentru (Ro) Baricenter / Masno središče (Sl) Бароцентар (М) Big Bang (E, F, P) The rapid expansion of matter from a state of extremely high density Urknall (D) and temperature which according to current cosmological theories Големата експлозија/Биг marked the origin of the universe. бенг (М) Veliki pok (Sl) Marea explozie (Ro) Големият взрив (BG) Binary Star (E) A system of two stars which orbit around a common centre of gravity. Doppelstern (D) Двојна ѕвезда (М) Dvojna zvezda (Sl) Etoile binaire (F) Stea binară (Ro) Estrela binária (P) Двойна звезда (BG) Black Hole (E) A concentration of mass so dense that nothing — not even light — Черна дупка (BG) can escape its gravitational pull. Many galaxies (including ours) have Schwarzes Loch (D) supermassive black holes at their centres. Trou noir (F) Црна дупка (M) Gaură neagră (Ro) Črna luknja (Sl) Buraco negro (P) Blazar (E, D, Ro, Sl, F, P) A blazar is a feeding supermassive black-hole (SMBH) in the heart of a Блазар (М, BG) distant galaxy that produces a high-energy jet viewed face-on from Earth. Like other forms of active galactic nuclei (AGN), blazars are the most luminous and energetic objects in the known universe.