Pioneer 10  is a robotic space probe launched on March 2, 1972 by an Atlas rocket
from Cape Canaveral, Florida and reached it’s destination on Dec. 3, 1973. This was
the completion of the first interplanetary mission to Jupiter, and became the first spacecraft to achieve escape velocity from the Solar System. During the mission, the planets asteroid belt was studied by on-board instruments along with the environment around Jupiter, solar wind, cosmic rays were also studied by the probe. Communication has been lost since January 23, 2003 because of power constraints due to its distance from Earth.