Across
- 4. What is the name of our galaxy?
- 7. Name the biggest star.
- 9. Earth from beyond ______ is four billion miles away
- 10. Name the spiral galaxy that is similar to our own but twice the wide.
Down
- 1. what is the period of time considered as the busiest star-forming periods?
- 2. ______is where we live in our neighborhood
- 3. 1 million seconds = 11.5 _____
- 5. Based on Carl Sagan, what is in the universe that has larger number than all the grains of sand on all the beaches of the planet earth?
- 6. the earth and the _____ are 258088 miles away.
- 8. Which planet is nine times wider compared to the earth?