Across
- 2. the force that causes objects with mass to attract to one another
- 5. a celestial body of ice, dust and rock with an elongated and elliptical orbit
- 7. A curved path followed by a satellite as it revolves around an object
- 8. The luminous star around which Earth and other planets revolve; composed mainly of hydrogen and helium
- 10. a luminous phenomenon that consists of streamers or arches of light appearing in the upper atmosphere
Down
- 1. A small object that enters Earth’s atmosphere from space and burns due to friction, emitting light
- 3. The study of celestial objects, space, and the universe as a whole
- 4. Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planet
- 5. a white or colored circle or set of concentric circles of light seen around a luminous body
- 6. a celestial body that revolves around a planet
- 9. A large celestial body that revolves around a star in a solar system