1
The _____ takes one year to go around the Sun.
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2
The _____ is the centre of our galaxy.
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3
Pedro Duque is a Spanish _____.
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4
Venus is _____ than Saturn.
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5
Mercury has the _____ diameter of all the planets in our galaxy.
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6
Jupiter has 63 _____.
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7
Valentina Tereshkova was the first woman in _____.
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8
Hubble is the name of a famous _____.
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9
There are nine _____ orbiting the Sun in our galaxy.
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10
The Sun is a _____ at the centre of our galaxy.
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