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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

Tool used to calculate the size of something. To calculate size, weight or temperature of.

travels

/ˈtravəl/

noun other verb

action of travelling. Journeys to other places, often for pleasure. To go to a place that is far away.

enormous

/iˈnôrməs/

adjective

very large in size or extent.

million

/ˈmilyən/

number

1,000,000.

fastest

/fast/

adjective adverb

moving at high speed. 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

length of space between two points. make distant in position or nature.

objects
noun other verb

material thing. Some things you can see or touch, but is not alive. To disagree; to protest against an idea or plan.

concept

/ˈkänˌsept/

noun

abstract idea.

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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