Write in 2-3 sentences a definition and brief explanation of each of the following:
Provided the source for each and provide an image where an asetrix is shown

Universal Gravitation (Qualitative Study)
Solar System *
Light Properties
Cycles of Day and Night
Phases of the moon
Eclipses (Moon, Earth, Planets)
Seasons *
Comets *
Aurora Borealis
Meteroid Impact