Solar System Exploration
By Laura Shelton
christiaan dicoverd (with the theory of lightand his brother) that if he polished and grinded his lens of his telescop a different way he could see further in to space .
In 1655 he discoved that sature had a thin flat ring around it .
In 1656 (one year after he discoved saturens ring)Christiann discoved titan saturns larges moon.
NASA Mars Rovers Curiosity and Opportunity
Curiosity and Opportunityhave discoved cope york ,botney bay,many rock samples and pitures of the ground on mars witch lookes magical.