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Telescope Basics 5 (of 6): Learn the basics about barlow lenses for telescopes

353,723 views

Eyes on the Sky

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

89%
  • 4:49 / 5:24

Speech Rate:

  • 156 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

telescope

/ˈteləˌskōp/

noun verb

Tube-shaped device used to see a great distance. slide or cause to slide into itself, so that it becomes smaller.

following

/ˈfälōiNG/

adjective noun preposition verb

Next; the one after this. body of supporters or admirers. Next; the one after this. To support someone, e.g. singer or comedian.

expensive

/ikˈspensiv/

adjective

costing lot of money.

objective

/əbˈjektiv/

adjective noun

Being real, rather than simply being an idea. Something you decide you want to do; goal.

produces
verb

make or manufacture.

stargazing

/ˈstärˌɡāz/

noun verb

Observation of the stars. observe stars.

between

/bəˈtwēn/

adverb preposition

in space separating things. In the space that separates two objects.

explain

/ikˈsplān/

verb

make idea or situation clear to someone by describing it in more detail.

greater

/ɡrāt/

adjective

Area larger than another e.g. in a city.

existing

/iɡˈzistiNG/

adjective verb

in existence or operation at current time. To be present, alive or real.

eyepiece

/ˈīˌpēs/

noun

lens or group of lenses that is closest to eye in microscope, telescope, or other optical instrument.

placing

/plās/

verb

To put something in a certain location or position.

increases
noun other verb

rise in size, amount, or degree of something. Amount something grows by. To make or become larger in size or amount.

shorter

/SHôrt/

adjective

measuring small distance from end to end.

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