Bab 13
Meteoroid,Asteroid
,komet
CIKGU SUHAILA
Meteoroid
Asteroid
Komet
Pergerakan Meteorod
Pergerakan asteroid
Jalur Asteroid
Kepupusan Dinasaur
Pergerakan komet
Melindungi Bumi daripada
Hentaman Asteroid
Bab 13
Meteoroid,Asteroid
,komet
CIKGU SUHAILA
Meteoroid
Asteroid
Komet
Pergerakan Meteorod
Pergerakan asteroid
Jalur Asteroid
Kepupusan Dinasaur
Pergerakan komet
Melindungi Bumi daripada
Hentaman Asteroid