| Definition Match |
| Match each word with it’s meaning. |
| heliocentric | oval | ellipse |
| Sun-centered | ||
| inferior planets | 1000 meters or 0.62 miles | kilometer |
| a glow in a planet’s ionosphere | ||
| aurora | planets closer to the Sun than Earth | light-year |
| an extraterrestrial rock found on Earth | ||
| asteroid | the distance traveled by light in a year | meteorite |
| a bright streak of light caused by meteoroid | ||
| ionosphere | a medium-sized rocky object orbiting the Sun | comet |
| a region of charged particles in the upper atmosphere |
| Definition Match Solution |
| ellipse | oval |
| heliocentric | Sun-centered |
| kilometer | 1000 meters or 0.62 miles |
| aurora | a glow in a planet’s ionosphere |
| inferior planets | planets closer to the Sun than Earth |
| meteorite | an extraterrestrial rock found on Earth |
| light-year | the distance traveled by light in a year |
| comet | a bright streak of light caused by meteoroid |
| asteroid | a medium-sized rocky object orbiting the Sun |
| ionosphere | a region of charged particles in the upper atmosphere |
