I like to take advantage of a coincidence in units to visualize interstellar distances.
1 mile is 63,360 inches.
1 light year is almost 63,250 Astronomical Units.
So if you scale everything down by a factor of 6 trillion, Terra would be an inch from Sol and Alpha Centauri would be 4 miles away. Voyager 1 would be 120 inches away, travelling at 3.5 inches per year.
1 mile is 63,360 inches. 1 light year is almost 63,250 Astronomical Units.
So if you scale everything down by a factor of 6 trillion, Terra would be an inch from Sol and Alpha Centauri would be 4 miles away. Voyager 1 would be 120 inches away, travelling at 3.5 inches per year.