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OW5 - Vocabulary - Unit 4

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    OW5 - Vocabulary - Unit 4
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  • An American who is in space is called __ ______.
    an astronaut.
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  • Earth has __ ______, and that is why we can breathe.
    an atmosphere
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  • Many people like watching ______ in the sky because of their bright tale.
    comets
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  • The Milky Way is our _______.
    galaxy
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  • There __ no oxygen on the Moon.
    is
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  • There __ _ oxygen on planets in other galaxies.
    may be
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  • It takes 365 days for the Earth to ____ the Sun.
    orbit
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  • Mercury, Venus, the Earth, and Mars are all _____ .
    planets
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  • Astronauts and kosmonauts use a _____ to get to orbit.
    rocket
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  • "Curiosity" is a _____ that collects information about the soil on Mars.
    rover
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  • The Sun is the biggest object in our ____ ____ .
    solar system
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  • Astronomers use telescopes to learn more about outer _____ .
    space
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  • This photo shows a famous ______ .
    spacecraft
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  • The ISS is the biggest ____ _____ humans have built so far. Astronauts and kosmonauts have been working there for 20 years.
    space station
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