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How Do We Know There’s a Planet 9? The Signs of Another Planet in the Distant Solar System

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Intro:

Video Vocabulary

/ˈrē(ə)ˌlīz/

verb

become fully aware of something as fact.

/ˈstədē/

verb

To focus on learning something usually at school.

/märCH/

noun other verb

act of marching. Public walks by groups to demand change. To walk somewhere quickly often in an angry manner.

/fəˈmilyər/

adjective noun

Well-known or easily recognized. demon supposedly obeying witch.

/ˈpräbəblē/

adverb

certainly.

/ˈsirēəslē/

adverb

To a large or extreme degree.

/ˈəltəmətlē/

adverb

null.

/əˈstränəmē/

noun

Study of stars and other bodies in space.

/mes/

verb

To make something untidy or dirty.

/ˈmōSH(ə)n/

noun other verb

action of moving. Movements; the process of moving. To communicate by moving your head or hand.

/ˈteks(t)ˌbo͝ok/

adjective noun

conforming or corresponding to established standard or type. A book that is used to study.

/kənˈfərmd/

adjective verb

Proven; true; checked. To provide evidence to establish the truth of.

/ˈpəbliSHər/

noun other

company or person that prepares and issues books. Businesses that produces books or magazines.

/kəmˈpyo͞odər/

noun other

electronic device for storing and processing data. Machines for storing data, accessing the internet.

noun other verb

material thing. Goals or purposes of particular plans or activities. express disagreement.

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