Post-1900 NASA Mission
Launch (date of when he went to space) - 3rd August 2004
Dates of Discoveries - On the 8th March 2011, the Messenger became the first spaceship to orbit Mercury.
Technology - The Pale Blue Dot - Distant Spacecraft Photograph
Contributions Made to our knowledge - That there are volcanoes on Mercury. The volcanoes can also measure up to 25km in length. The core takes up 85% of the inside of the planet.