J - K - L

Select the letter that (probably) leads off the word in question. Please suggest new words or corrections.

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

J

• Jupiter: 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-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

K

• kelvin: A measurement system of thermodynamic temperature adopted under the System International d'Unites. Solar temperatures are often given in kelvin.

• Kuiper Belt: 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.

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z

L

• light-year: The distance that light travels in one year. One light-year is about 5.9 trillion miles

• Luna: The proper name for Earth's Moon.

A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z