Aat 115
#shonend -Rock timetal bigger than ~~10m
mercarid-Rock & metal smaller than~ 10m
Comet Debris that is entierly Rocht ke
-Dwarf planet-orbit the sun & be round (But desenti Clear its or64)
moon-inabject orbiting a larger oinject that orbits a solar lover case moon/mang
Comparative Planetioagiay.
mort Planets have nearly Cirkles orblts. •All Grbit Counter Clockwise direction
romost of the planets are tiiteld with lees then 36°
-All planets (except murowy & venind have two moons..
Close to the Sun, & far away.
Smali mass
Lorgue Mass
Small Serres
Largue Size Sertes
High Dusity
Low Dlisity
6.4 Radio Ative ty
isotope = A element that has #protones but t# of Nentrong C
-Halt life amount of time for one/half of an Element to decay into sun More Stable
Ex: urmun has hilflife of its bilen years it has been decaging
billion years
prent 4/2 billan Years later