Solar system

1. is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing
7. As with gas giants, ice giants also lack a well defined "solid surface.
9. an astronomical object comprising a luminous spheroid of plasma held together by its gravity
10. is a minor planet of the inner Solar System
12. large amounts of water can be found throughout the Solar System
13. As the brightest natural object in Earth's night sky after the Moon
15. the the nearest planet to the Sun

2. the largest moon of Saturn
3. is a dwarf planet in the Kuiper belt
4. the largest in the Solar System
5. farthest-known Solar planet from the Sun
6. often referred to as the “Red Planet”
8. the star at the center of the Solar System
11. is an object that has been intentionally placed into orbit
14. It is a gas giant with an average radius of about nine and a half times that of Earth