Solar System Exploration
Date of Berth and Death
He then died November 12 1916
He called it Planet X
But he didn't end up finding it Clyde Tombaugh found Planet X February 18 1830 he then studied it and it crosses Neptune's orbit .
They then had to find a name for Planet X in March 24 1930.
they used a huge telescope and there really good maths and calculations
contributions to knowledge
it help lots of people because many people wonder how many planets there is in our solar syctim
it started 24 of january 2004
there main goal was to get a sample of the mars rocks
the mars rover was used,really high teck computers vrobots to make the mars rover
the mars rover and its team were the first to find lots of water on mars.
they trained it after they built it.