Walking in Space It makes you think about your place in the Universe.
Think about this. <ul><li>Our planet Earth is part of the solar system that surrounds the Sun. </li></ul><ul><li>Our Sun is just one 100,000 million stars in our galaxy. </li></ul><ul><li>Our galaxy is just one of about 100,000 galaxies in the whole universe. </li></ul>
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