Complete the following concept map by correctly adding the connecting phrases or terms provided to the appropriate locations. Some items may be used more than once; others may not be applicable to this diagram. 1. converts simple elements such as 2. present in 3. for example 4. extrasolar planets such as 5. orbits 6. formed early versions of 7. gas and dust formed 8. contains billions of 9. began to expand rapidly following the 10. destroyed in an explosion known as a 11. to more complex forms such as 12. are examples of red giants Big Bang Cosmic debris clouds The universe Milky Way Galaxies For example Supernova Stars Some are orbited by Hydrogen & helium Sun Planets Oxygen & carbon Earth