J - K
the letter that (probably) leads off the word in question. Please
suggest new words or corrections.
The fifth planet from the Sun, and the largest of all solar system
planets. It is a gas giant that is surrounded by many orbiting
Moons, some of which can be seen with a small telescope.
A measurement system of thermodynamic temperature adopted under
the System International d'Unites. Solar temperatures are often
given in kelvin.
A region of the outer solar system that starts past the orbit
of the planet Pluto and extends out approximately 34 to 50 astronomical
units from the Sun.