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How do we know the Milky Way is a spiral? | The History of the Milky Way

456,381 views

Dr. Becky

Video Language:

  • English

Caption Language:

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

Accent:

  • English (UK)

Speech Time:

98%
  • 16:28 / 16:38

Speech Rate:

  • 181 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

clearly

/ˈklirlē/

adverb

In a way that is easy to understand; obviously.

question

/ˈkwesCH(ə)n/

noun verb

Issue or problems you are dealing with. To have or express concerns or uncertainty.

further

/ˈfərT͟Hər/

adjective adverb conjunction verb

Extra; in addition. A greater distance; at a more distant point. (Used to introduce an additional point); also. help or promote.

billions

/ˈbilyən/

noun number

1000 million. thousand million.

speculated

/ˈspekyəˌlāt/

verb

To take risks that might lead to big profits.

century

/ˈsen(t)SH(ə)rē/

noun

period of 100 years.

wearing

/ˈweriNG/

adjective verb

mentally or physically tiring. To become weaker or damaged from continued use.

background

/ˈbakˌɡround/

noun

Past events that influence things in the present.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

positions

/pəˈziSH(ə)n/

noun other verb

location of someone or something. Where you play or your role on a sports team. put or arrange in particular position.

relative

/ˈrelədiv/

adjective noun

(Grammar) referring to words that appear earlier. person connected by blood or marriage.

forward

/ˈfôrwərd/

adjective adverb noun verb

directed or facing towards front. towards front. attacking sports player. To send something to another address or person.

combined
verb

To mix several things together to form one thing.

suggest

/sə(ɡ)ˈjest/

verb

To mention something that could be done; propose.

diffused
verb

To cause something to spread through a large area.

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