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What Is Dark Energy? | The Expanding Universe

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Intro:

Video Vocabulary

/ˈredˈSHift/

noun

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

/ˈwāvˌleNG(k)TH/

noun

The size of a wave.

/bəˈlēv/

verb

To think or accept that something is true.

/ˈkərəntlē/

adverb

Happening or being in the present time.

/imˈplīd/

adjective verb

suggested but not directly expressed. To suggest something, without saying it directly.

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. moving in one side and out of other side of.

/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.

/ˈevədəns/

noun verb

Factual proof that helps to establish the truth. be or show evidence of.

other

.

/ˈɡroundˌbrākiNG/

adjective noun

innovative. Ceremony to begin a construction project.

/streCH/

verb

be made or be capable of being made longer or wider without tearing or breaking.

noun verb

Amount by which something has been reduced. To reduce the size, amount or number of something.

/dəˈskəv(ə)rē/

noun

Learning something for the first time.

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