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Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting

3,087,269 views

TED-Ed

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

93%
  • 5:06 / 5:29

Speech Rate:

  • 168 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

measure

/ˈmeZHər/

noun verb

plan or course of action. determine size or amount.

travels

/ˈtravəl/

noun other verb

action of travelling. Journeys to other places, often for pleasure. make journey.

enormous

/iˈnôrməs/

adjective

Huge; very big; very important.

million

/ˈmilyən/

number

1,000,000.

fastest

/fast/

adjective adverb

Moving or able to move the most quickly. at high speed.

galaxies

/ˈɡaləksē/

noun other

system of millions or billions of stars. A group of stars and planets in space.

distance

/ˈdistəns/

noun verb

Amount of space between two places or things. To make it clear that you are not involved.

objects
noun other verb

material thing. Goals or purposes of particular plans or activities. To disagree; to protest against an idea or plan.

concept

/ˈkänˌsept/

noun

Abstract idea of something or how it works.

astrophysicists

/ˌastrōˈfizisəst/

noun other

expert in or student of astrophysics. .

trigonometric
other

Of or relating to or according to the principles of trigonometry.

astronauts

/ˈastrəˌnôt/

noun other

person who is trained to travel in spacecraft. Person who travels in space.

nearest

/ˈnir/

adjective

Within the shortest distance; closest.

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