| A | B |
|---|
| solar system | the sun and all the planets, satellites, and comets that circle around the sun |
| easily | not hard for you to do |
| farther | one that is a greater distance away than the other |
| main | the most important thing |
| dim | very little light |
| temperatures | measure heat and cold |
| telescope | a tool used to make faraway objects look larger and closer |
| constellations | patterns of stars in the sky |
| satellite | a natural object that moves around a planet |
| asteroids | one of the many small rocks that move around the sun |
| comets | bright objects in space that have long tails of light and move around the sun |
| meteroids | objects made of bits of rock and metal that sometimes move around the sun |
| URL | a web site address |
| sidebar | may contain links to other information or sites |
| menu | titles of other web pages that you can view are shown here |
| hyperlinks | take readers to pages with other information |
| home page | usually the first page you see when you type a URL or click on a hyperlink |
