Across
- 2. what is a unit of length used to express astronomical distances
- 3. what is a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
- 4. what is a gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.
- 7. what is the natural satellite of the earth
- 8. what is an artificial body placed in orbit round the earth or moon or another plane
- 10. what is small bodies of rock and/or metal travelling through space
- 12. what is a celestial body moving in an elliptical orbit round a star
Down
- 1. what is a fallen meteoroid that has reached the Earth’s surface
- 3. what is a spot or patch that appears from time to time on the sun's surface
- 5. what is the curved path of a celestial object or spacecraft round a star, planet, or moon
- 6. what is one of the millions of rocky bodies that orbit the sun
- 9. what is a body composed of rock, dust and ice.
- 11. what is a system of millions or billions of stars