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What Is Dark Energy? | Space Mysteries | Earth Lab

59,506 views

BBC Earth Lab

Video Language:

  • English

Caption Language:

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

Accent:

  • English (UK)

Speech Time:

84%
  • 6:45 / 7:57

Speech Rate:

  • 177 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

galaxies

/ˈɡaləksē/

noun other

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

physicists

/ˈfizəsəst/

noun other

expert in or student of physics. Person who studies and works in physics.

greatest

/ɡrāt/

adjective

Highest in quality.

distance

/ˈdistəns/

noun verb

length of space between two points. To make it clear that you are not involved.

universe

/ˈyo͞onəˌvərs/

noun

Things surrounding a person, affecting their life.

measured

/ˈmeZHərd/

adjective verb

having slow, regular rhythm. To calculate size, weight or temperature of.

lacking

/ˈlakiNG/

adjective verb

not available or in short supply. To not have, or not have enough, of something.

fireworks

/ˈfī(ə)rˌwərk/

noun other

device containing gunpowder and other combustible chemicals which causes spectacular effects and explosions when ignited. Exploding object making bright lights/loud bangs.

basically

/ˈbāsik(ə)lē/

adverb

in most essential respects.

mystery

/ˈmist(ə)rē/

noun

Something that is not known.

absolutely

/ˈabsəˌl(y)o͞otlē/

adverb

Completely; totally; very.

expansion

/ikˈspanSHən/

noun

action of expanding.

expanding

/ikˈspand/

verb

become or make larger.

obvious

/ˈäbvēəs/

adjective

Easily understood and clear; plain to see.

clearly

/ˈklirlē/

adverb

In a way that is easy to understand; obviously.

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