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Unformatted text preview: 4. What did Carl Sagan mean when he said that we are “star stuff”? Carl meant that we were made from the materials manufactured in stars because of the simple elements that were born in the Big Bang. 12. What is the shape of the Milky Way Galaxy? Where is our solar system located within the galaxy? How does our solar system move within the galaxy? The Milky Way is a huge disk-shaped collection of stars. Our solar system is located about halfway from the galactic center to the edge of the galactic disk. Within our local solar neighborhood, we move in random directions relative to each star in this neighborhood. Looking at the bigger picture, the entire Milky Way rotates around a galactic center, one orbit equaling 230 million years....
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This note was uploaded on 04/09/2008 for the course SC 404 taught by Professor Neal during the Spring '08 term at Mt. Aloysius.
- Spring '08