1 The jet
1 Complete the sentences with the nouns below.
There is one extra noun.
atmosphere engine galaxy gravity
orbit satellite solar system
in the spacecraft makes it fly
very fast.
2 The recent mission sent a
into space
to improve communication systems.
3 There are billions of stars in our
4 The Earth takes one year to
the sun.
5 The Earth's
protects us from the
sun's rays and allows us to breathe.
6
makes things fall to the ground.
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