| A | B |
|---|
| gasp | take in a quick, short breath of air, as in shock or surprise |
| dart | move suddenly or rapidly |
| vanish | disappear |
| metallic | consisting of metal |
| comet | a central mass in space, surrounded by dust and gas |
| meteor | a chunk of metallic or stony matter moving through outer space |
| meteoroids | fragments that have broken off planets, asteroids, or comets |
| fragment | a part broken off or detached |
| atmosphere | layers of air around our planet |
| impact | forceful contact or collision |
| resistance | a force that opposes motion |
| disintegrate | separate or break into parts or particles |
| astronomy | study of the universe |
| vary | be different |
