Across
- 3. / the center of the universe
- 6. / the third planet from the sun
- 8. / made a model of the universe that place the Sun rather that the Earth at the center of the universe
- 9. / an Italian scientist
- 10. / Second planet from the sun
Down
- 1. / Fifth planet from the sun
- 2. / ancient Greek philosopher who believed that Earth was the center of the universe
- 4. / an instrument used to see far away objects
- 5. / an instrument used to see objects that are too small for the naked eye
- 7. / Boot-shaped European country
