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The Universe |
http://science.hq.nasa.gov/universe/
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http://science.hq.nasa.gov/universe/ |
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1º The Earth is our planet, the third planet from the Sun, it is the largest of the inner planets. At The moment, The Earth is the only planet known to support life. where is The Earth? 2º Not too long ago, many people thought that comets were a sign that something terrible was about to happen. Could you describe what a comet is? 3º when we look up at the night sky, we notice that there are many stars. Galaxies are star cities and our city of stars is The Milky Way. What is The Milky Way? 4º Most scientists believe that in the center of our Galaxy there is a Black Hole. What is The Black Hole? |