Across
- 2. Our solar system formed about 4.5 .........years ago from a dense cloud of interstellar gas and dust.
- 4. The moon gets its ....... from the sun
- 5. The center of our solar system
- 6. Everything comes together to tha sun thanks to.....
Down
- 1. Latin word for sun
- 3. The planetary systems are..... in the milkyway
- 5. ¿What is the sun?