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What is Dark Energy made of? Quintessence? cosmological constant?

231,707 views

Arvin Ash

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

90%
  • 14:41 / 16:09

Speech Rate:

  • 171 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

telescopes

/ˈteləˌskōp/

noun other verb

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. Tube-shaped device used to see a great distance. slide or cause to slide into itself, so that it becomes smaller.

compared

/kəmˈper/

adjective verb

How similar and different things are. estimate similarity or dissimilarity between.

sailing

/ˈsāliNG/

noun verb

Trip or journey on a ship. To move along quickly and smoothly.

completely

/kəmˈplētlē/

adverb

In every way or as much as possible.

believed

/bəˈlēv/

verb

feel sure something is true.

because

/bēˈkəz/

conjunction

for reason that.

equally

/ˈēkwəlē/

adverb

in same manner or to same extent.

slowing

/slō/

verb

reduce one's speed or speed of vehicle or process.

standard

/ˈstandərd/

adjective noun

Being the accepted normal level of quality. Official unit of measuring something.

galaxies

/ˈɡaləksē/

noun other

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

scientists

/ˈsīəntəst/

noun other

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

universe

/ˈyo͞onəˌvərs/

noun

All of space that contains planets and stars.

establish

/əˈstabliSH/

verb

set up.

redshifts

/ˈredˈSHift/

noun other

displacement of spectral lines towards longer wavelengths red end of spectrum in radiation. .

biggest

/biɡ/

adjective

of great size or extent.

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