The solar system is much more complicated now, astronomers say, than in 1930 when Clyde Tombaugh added Pluto to the inventory of wandering lights circling the Sun.

Choose your answer: based on the paragraph above can we conclude that "pluto has moved further from the sun"?

Select from: [+] Yes [+] It's impossible to say [+] No
I think the answer is
It's impossible to say