164 Quotes by Alan Stern

Either data supports the observations or they don't. Voting doesn't work in science.

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

The basic story for Golden Spike is that we discovered a way to create do-it-yourself Apollo programs for other countries.

Pluto is showing us a diversity of landforms and complexity of processes that rival anything we've seen in the solar system.

The first mission to Mars did not expect to find craters and river valleys, and yet they did. The first mission to Jupiter didn't expect to find ocean worlds and volcano worlds, but they did.

Competition-driven innovation and price pressure that commercial practices foster can only make human spaceflight ever more common and U.S. leadership in this domain ever clearer.

I tend to think of Pluto and its moons as presents sitting under a Christmas tree. They're wrapped, and from Earth all we can do is look at the boxes to see whether they're light or heavy, to see if something maybe jiggles a bit inside. We're seeing intriguing things, but we really don't know what's in there.

Most of the oceans in the Solar System are deep beneath ice shelves.

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