The Life Cycles of Stars and our Sun. Gravity R 1/2 R a=0 a= GM’/(1/2 R) 2 ~ R a= GM/R 2.
WHAT IS SCIENCE? A good scientist asks questions about how the world around them works. Some questions a scientist might ask are: How do ants breathe?
Planet Pluto. Wesley as space suit designer Carly as Travel Agent.