| A | B |
|---|
| average sized, middle-aged star | sun |
| caused by tilt and revolution | seasons |
| size, color, brightness | star properties |
| measure between stars | light years |
| holds the planets in orbit | gravity |
| path of planets around sun | orbit |
| shape like earth or ball | sphere |
| sun and 8 planets | solar system |
| 100 million can fit in the sun | earth |
| nearly circular orbit of earth that causes seasons | an ellipse |
| a full orbit (12 months) | revolution |
| revolves around the earth | moon |
| orbit the sun | planets |
| rocky masses between Mars/Jupiter | asteroid belt |
| anything that orbits another | satellite |
| affects how big a star "looks" | distance |
| gas ball gives off radiation | star |
| major members of solar system | sun and planets |
| space snowballs | comets |
| space debris (rocks) | asteroids |
| distance from the earth | why the sun looks so large |
| number of earths that fit into the sun | one million |
