| A | B |
|---|
| Galaxies | collection of billions of stars such as the Milky Way and includes the sun |
| Eclipse | a celestial event during which one body is blocked by another |
| Ellipse | a curved geometric shape with 2 points and a major axis |
| Focus | one of two central points in an ellipse |
| Major axis | a line running the length of an ellipse |
| Asteroid | a metallic or rocky remnant of the early solar system |
| Meteroid | a piece of interplanetary material that falls toward Earth and enters its atmosphere |
