| A | B |
|---|
| Solar | Anything that has to do with the sun. |
| Planets | Wanderers |
| Sun | Star |
| Magnitude | How bright a star is. |
| Nebula | A cloud of gas and dust. |
| Umbra | Inner part of the shadow. |
| Penumbra | Outer part of the shadow. |
| Titan | Saturn's largest moon. |
| Lunar | Of the Moon. |
| Orbit | Path |
| Rotation | Spinning on an axis. |
| Ecuator | Imaginary line around earth's center. |
| Heliocentric | Sun center of solar System. |
| Geocentric | Earth center of Universe. |
| Crater | Huge hole in a surface. |
| Jupiter | Largest Planet. |
| Universe | Space and everything in it. |
| Astronomer | Scientist who studies the stars. |
| Meteorite | A piece of space material that falls to earth. |
| Pluto | Coldest Planet. |
