Astronomy is literally over your head, but this lesson will explain how we study it. Young scientists make telescopes, calculate and compare the light gathering power of lenses, and simulate detection of infared radiation....

A brief vocabulary overview describing the difference between asteroids, comets, and meteors.

Young children can find facts about the Solar System, the Sun, meteorites, stars, galaxies, planets, our moon, comets, asteroids, and space exploration. Pages offer clear photos and bullet-point information, which is easy to read and...

Enter our solar system to interact with the planets, moons, asteroids, meteors, and more. Investigate with NASA scientists and explore missions related to space exploration. Read facts, compare statistics, look through resources, and...