Across
- 2. - The second largest planet in our solar system, known for its rings.
- 4. - A cloud of gas and dust that forms around stars; the basis of the nebular hypothesis.
- 6. - Referring to the sun; related to the solar system.
- 7. - Large celestial bodies that orbit stars; includes terrestrial and Jovian types.
- 8. - Type of planets characterized by their gas composition and distance from the sun (e.g., Jupiter, Saturn).
- 9. - Referring to dwarf planets like Pluto, which do not clear their orbits of other objects.
- 10. - Small icy bodies that develop tails when close to the sun.
Down
- 1. - Earth-like planets including Mercury, Venus, Earth, and Mars.
- 3. - A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
- 5. - Small rocky bodies that orbit the sun, mostly found in the asteroid belt between Mars and Jupiter.