Masulong na Bokabularyo para sa TOEFL - Oras at kalawakan

occurring once every two years

biennial

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

fiskal na taon

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

epoka

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

buhol ng uod

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

humina

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

lumaki

(of time) to pass by

lumipas

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

takipsabay

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

espasyo-oras

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

buwan ng maliwanag na liwanag

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

dwarf

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

meteoroid

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

astropisika

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

astrobiology

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

aurora borealis

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

aurora australis

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

Oras ng Greenwich Mean

the 100th anniversary of an event or occasion

sentenyal

the 200th anniversary of an event or occasion

bicentenario

continuing forever or indefinitely into the future

walang hanggan

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

Gregorianong kalendaryo

a planet that is outside the solar system

exoplanet

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

buoong buwan

denoting the shape of the new moon

bagong buwan

an endless or lengthy period of time

eon

(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

zodiak