1. Words adoptive = to become parent of a child that isn't your own claim

track down = to find someone who has been hiding

trial = legal process in which a judge and a jury in a courtroom decide if a person is guilty or not

7.Words

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  agency = organisation
  
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  anniversary = date on which something important happened in the past
  
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  announce = to say officially, in public
  
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  beyond = here: outside the solar system
  
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  bold = exciting; not afraid of being difficult to do
  
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  century = a hundred years
  
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  coincide = be at the same time as
  
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  considering = if you look at or think about something
  
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  constellation =group of stars
  
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  currently = at the moment; now
  
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  destination  = place where you want to go
  
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  develop = plan, design and make
  
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  exoplanet =planet that is not in the solar system
  
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  explore = to travel to a place to find out more about it
  
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  habitable = a place with water and air, that allows you to live there
  
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  in addition = also
  
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  interstellar = between stars
  
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  laser = a narrow beam of light
  
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  light year = the distance light travels in one year = 9 500 000 000 000 kilometres
  
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  lunar = moon
  
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  mission = here: a trip to a faraway destination
  
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  nuclear propulsion system = a system that uses nuclear energy to make a spacecraft move forward
  
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  reach = get to
  
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  responsible = in charge of
  
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  scheduled = planned
  
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  solar system = our sun and the planets that go around it
  
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