Website
Smithsonian Institution

National Air and Space Museum: Exploring the Planets: Early Discovery

For Students 9th - 10th
This section of the exhibition gives the history of the discovery and study of space starting with the Greeks and Romans through to the early 1900's.
Lesson Plan
Science Buddies

Science Buddies: A Puzzling Parallax

For Teachers 3rd - 5th
Did you know that ancient astronomers could measure the distance to other stars? They could also distinguish between stars and planets. How could they do that without modern technology of telescopes? See if you can discover the link...
Activity
Science Buddies

Science Buddies: Craters and Meteorites

For Students 3rd - 5th
Have you ever heard that the moon is made of cheese? Even though the craters on the surface of the moon resemble holes in Swiss cheese, we know that this common myth is not true. Find out how craters are formed and why they are different...
Handout
Smithsonian Institution

National Air and Space Museum: Exploring the Planets: Ancient Times & the Greeks

For Students 9th - 10th
In ancient times only five planets were known: Mercury, Venus, Mars, Jupiter, and Saturn. Learn about Greek astronomer Ptolemy's theory for the solar system that was to survive for fourteen centuries.
Handout
Cosmos 4 kids

Cosmos4 kids.com: Exploration

For Students 9th - 10th
Space can be explored in many different ways. Read about space exploration and click on the topics on the right margin to find out how man finds out about his universe.
Lesson Plan
Discovery Education

Discovery Education: Classroom Planetarium

For Teachers 3rd - 5th
Create a classroom model of the solar system while teaching about relative size of all the planets, and each planet's distance from the sun.
Website
NASA

Nasa: Imagine the Universe: Supernovae (Basic)

For Students 9th - 10th
A detailed description of a supernova developing from a single massive star. There is a quiz, related links, animation, lesson plans, and an FAQ sheet available also.