I think Quote by David Grinspoon

Of course Pluto is a planet: It's massive enough to have its shape controlled by gravity rather than material strength, which is the hallmark…

— Alan Stern

Pluto and its brethren are the most populous class of planets in our solar system.

— Alan Stern

Pluto is not a planet, but I am.

— Shaquille O'Neal

No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.

— Carl Sagan

Why can't Pluto be a planet? Some people like Pluto. And if it doesn't exist then they don't have a favorite planet. Right? Please…

— Neil deGrasse Tyson

We were very surprised to find out that Pluto is still geologically alive. It has upended our ideas of how planetary geophysics works.

— Alan Stern

When I was a little kid, we only knew about our nine planets. Since then, we've downgraded Pluto but have discovered that other solar…

— Buzz Aldrin

Pluto has a very interesting history, and there is a lot of work that we need to do to understand this very complicated place.

— Alan Stern

As a planetary scientist, I don't know what else to call Pluto: It's big and round and thousands of miles wide.

— Alan Stern

It used to be said that Pluto is a misfit. But now we know Earth is the misfit. This is the most populous class…

— Alan Stern

We're here to help you to find Pluto.

— Daisy Duck

If you go to planetary science meetings and hear technical talks on Pluto, you will hear experts calling it a planet every day.

— Alan Stern