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Across 1. A _______ is the type of plane that astronauts used to use to fly into space 3. The natural satellite of the Earth 4. The _______ we live in is called the Milky Way. 6. A ________ is any type of vehicle used for travelling in space 9. There are eight _____ in our solar system 10. unidentified flying objects 11. A ______ is a small body of gas and ice orbiting around the solar system

Down 2. The Big Dipper is a _________ in the Northern hemisphere 5. An _______ is a person who leaves earth and goes into space. 6. The _____ is the star in the middle of our solar system 7. An _____ is a combination of rocks and iron that is too small to form a planet 8. A _____ is made up of clouds of gas and dust