Study

Life Out There

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  • Some people think that ______ may live on other planets.
    extraterrestrials
  • A(n) _____ is someone who travels in space.
    astronaut
  • A cloud of rock, ice and gas make up a ______.
    comet
  • Scientists know when comets will appear because they keep ______ .
    data
  • True or False: We can't see planets in other solar systems because they are far away.
    True
  • True or False: SETI scientists plan to have 350 satellite dishes one day.
    True
  • A ______ around the sun takes many earth years.
    journey
  • True or False: We haven't heard from extraterrestrials yet.
    True
  • Many people _______ the question about extraterrestrials living on other planets.
    debate
  • We can send things to space in a powerful _____.
    rocket
  • People perform experiments in space on the _____.
    space station
  • Earth is a ______
    planet
  • Are you everyone / someone who could live and work on the space station?
    someone
  • The rover _____ for life on Mars.
    searches
  • The Earth orbits the _____.
    sun
  • True or False: Satellite dishes can't hear very weak signals.
    False
  • A ______ is made up of stars and solar systems.
    galaxy
  • The Mars rover _____ with computers on Earth.
    communicates
  • True or False: Scientists at SETI have made a tool for listening to sounds in solar system.
    True
  • I think I anyone / someone will go to Mars one day.
    someone
  • Does anyone / no one think we will see extraterrestrials in our lifetime?
    anyone
  • True or False:If extraterrestrials send us messages, we might hear them with special mobile phones.
    False
  • There are lots of galaxies in the ______ .
    universe
  • Earth has a(n) _______ with oxygen to breathe.
    atmosphere
  • Planets _______ the sun.
    orbit
  • The sun and planets make up our _____-_____ .
    solar system
  • One day, we may land a _____ on the moon again.
    spacecraft
  • No one / Someone knows how big the universe is.
    No one