Across
- 4. a very young star that is still gathering mass
- 5. what is not a planet nor a star but millions of them are present in our solar system
- 8. Nearest major galaxy to our own
- 9. Christopher Onken discovered this
- 10. large group of stars
Down
- 1. commonly known as shooting stars
- 2. cosmic snowballs of frozen gases, rock, and dust that orbit the Sun
- 3. only natural satellite of the Earth
- 6. what are always moving moving, never tired and always admired
- 7. a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.