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Across: 2. Space station A large, manned satellite in space used as a base for space exploration. 3. A relatively large object that revolves around a star, but which is not itself a star 5. what are lumps of dust and ice that revolve around the Sun in highly elliptical orbits 6. Scientists think that the universe began with the start of a massive explosion called the 7. Millions of pieces of rocks that were left over when the planets were formed and now revolve around the Sun are called 8. The Law of Harmonies is which law 9. Time taken by a satellite to complete onerevolution round the Earth is called
Down: 1. Everything in space, including the galaxies and stars, the Milky Way and the Solar System 2. A ball of constantly exploding gases, giving off light and heat. 4. A body moving in an orbit around a planet is called