Προχωρημένο Λεξιλόγιο για το TOEFL - Χρόνος και χώρος

occurring once every two years

διετής

a period of 12 months based on which a company, government or individual does financial reporting or budgeting

οικονομικό έτος

a period of time in history or someone's life, during which significant events happen

εποχή

a hypothetical structure that connects regions of space-time that are far apart

σκουληκότρυπα

(of the moon) to gradually decrease in its visible illuminated surface as it progresses from full to new moon

ελαττώνομαι

(of the moon) to progressively display a larger illuminated section until it turns into a full moon

αυξάνομαι

(of time) to pass by

παρέρχομαι

the time in the evening when the sun is below the horizon

λυκόφως

the theory that adds the notion of time to that of a three-dimensional space

χωρόχρονος

a usually small meteor that burns with a bright light when entering the earth's atmosphere

διάττων αστήρ

a star that is relatively small in size or mass and is not very bright

Νάνος Αστέρι

a glowing cloud of gas and dust in outer space, often the result of a star explosion or formation

νεφέλωμα (σύννεφο αερίου)

a small celestial body that becomes visible as a meteor upon entrance into the atmosphere of the earth

μετεωροειδής

the branch of physics that studies celestial objects and phenomena in the universe, such as stars, galaxies, and cosmic radiation

αστροφυσική

a branch of biology that deals with the study of life in space

αστροβιολογία

the colored lights, mainly green and red, in the sky seen primarily near the northern magnetic pole

βόρειο σέλας

the colored lights, mainly green and red, in the sky seen primarily near the southern magnetic pole

σέλας του νότιου ημισφαιρίου

the time as measured at Greenwich, London, on the line of 0° longitude, used to calculate the time across the globe

Ώρα Γκρίνουιτς

the 100th anniversary of an event or occasion

εκατονταετηρίδα

the 200th anniversary of an event or occasion

διακοσαετία

continuing forever or indefinitely into the future

διαρκής

the calendar introduced by Pope Gregory XII in 1582, as a modification for the Julian Calendar, presently used in many parts of the world

Γρηγοριανό ημερολόγιο

a planet that is outside the solar system

εξωπλανήτης

the complete and round-shaped moon as seen from the earth

πανσέληνος

denoting the shape of the new moon

σε σχήμα μισοφέγγαρου

an endless or lengthy period of time

αιών

(astronomy) the celestial zone in the sky where the sun, moon, and planets appear to move, traditionally divided into twelve equal segments, each associated with a distinct name and symbol

(αστρονομία) η ουράνια ζώνη