Across
- 2. A celestial body moving in an elliptical orbit around a star.
- 6. The obscuring of the Sun by the Moon.
- 8. A theoretical spherical cloud of predominantly icy planetesimals that is believed to surround the sun at a distance of up to around 100,000 AU.
- 10. The obccuring of the Moon by the Earth's Shadow.
- 12. A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
Down
- 1. The darkest part of the Earth's shadow during a solar eclipse.
- 3. The natural satellite(s) that orbit a planet.
- 4. The celestial body that is orbited by 8 planets, an astroid belt, and many dwarf planets.
- 5. The region between the inner and outer planets that holds between 1.1 and 1.9 million asteroids larger than 1 kilometer in diameter.
- 7. The obscuring of the Sun or Moon by the Moon or Earths shadow.
- 9. A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
- 11. The partial shadow that surrounds the Umbra during a solar eclipse.