Vocabulario Avanzado para el TOEFL - Tiempo y Espacio

occurring once every two years

bienal

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

año fiscal

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

época

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

agujero de gusano

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

menguar

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

crecer

(of time) to pass by

transcurrir

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

anochecer

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

espacio-tiempo

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

estrella fugaz

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

enano

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

nebulosa

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

meteroide

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

astrofísica

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

astrobiología

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

aurora boreal

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

aurora austral

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

GMT

the 100th anniversary of an event or occasion

centenario

the 200th anniversary of an event or occasion

bicentenario

continuing forever or indefinitely into the future

perpetuo

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

calendario gregoriano

a planet that is outside the solar system

exoplaneta

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

luna llena

denoting the shape of the new moon

de medialuna

an endless or lengthy period of time

eón

(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

zodíaco