|
 Printable Version
for your convenience!
| 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
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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
|
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