How far are we from the sun1

How far are we from the sun?
How close can we get to the sun? Robert Goddard created the world’s first liquid-fueled rocket in 1926, the Soviet Union launched an artificial Earth satellite in 1957, and about five years later, Yuri Gagarin became the first man getting into space. Sometime in the late 1960s, the world watched Neil Armstrong and Buzz Aldrin walk on the moon. And then, Voyager 1, launched in 1977, reached Saturn and its largest satellite, Titan. After that it moved further and further away from the sun. Thirty years after its launch, our gaze on the universe is extending more and more frequently...