"Humans have dreamed about spaceflights forever but only in the second half of the 20th century were developed rockets that were powerful enough to overcome the force of gravity to reach orbital velocities that could open space to human exploration. The awesome poster called Chart of Cosmic Exploration documents every major space mission starting from the Luna 2 in 1959 to the DSCOVR in 2015. The map traces the trajectories of every orbiter, lander, rover, flyby, and impactor which ever left the Earth’s orbit and successfully completed its mission."
Tags: space, remote sensing, scale.
Via Seth Dixon