christaan huygens
hayley sloan
In 1655, Chistaan Hygens pointed one of his new telescopes towards Saturn with the intention of studying its rings, but he was very surpised to see that beside the planet was a large moon now known as Titan.
christaan huygens discovered saturnes moon with a telesope with his own lense that he made.
now we know that christaan huygen discovered saturns moon and that it is known as titan.
voyager 1 & 2
on september 12 2013, voyager 1 found a change in interstella space where ashes from long vanished stars float every three or so centimetres.
people on earth found this out by voyager 1 sending infomation and pitcures back down earth.