Alan Stern

Alan Stern
Sol Alan Sternis an American engineer and planetary scientist. He is the principal investigator of the New Horizons mission to Pluto and the Chief Scientist at Moon Express...
chapter pluto
This is a whole new chapter in the Pluto story.
initial led planets since states united united-states
This is, in a very real sense, the capstone of the initial reconnaissance of the planets that the United States has led for the world since the 1960s.
led missions nasa planets since
This is the capstone of the missions to the planets that NASA has led since the 1960s.
initial last mission
This is the capstone of the initial reconnaissance of the planets, the first mission to the last planet.
atmosphere five knows people snow
Some people think its 20 years off and some people think its five years off. No one really knows when Pluto's atmosphere will snow out and collapse.
chihuahua dwarfs ice planetary
Just as a Chihuahua is still a dog, these ice dwarfs are still planetary bodies.
companions fact people pluto visceral
Just on a visceral level, the fact that Pluto has a whole suite of companions will make some people feel better.
perseverance project represents
I will say that this has been our project mascot for a long time, this little ground-down pencil. And it represents perseverance to get this project under way, to get it built, to get it launched and now to get it to Pluto.
crude earth finally
Out Earth-based observations are still too crude to tell us much about what we'll see when we finally get there. We still don't know what we don't know about Pluto.
belt looking multiple objects percent satellite
Around 20 percent of Kuiper Belt objects have a moon. We think a lot of astronomers are going to be looking now for multiple satellite systems.
belt largest pluto solar structure
The Kuiper Belt is the largest structure in the solar system. We used to think Pluto was a misfit.
call everest mission planetary
I like to call this mission the Everest of planetary exploration. It's really fantastic.
billion journey
In a real sense, this is not just a 4 billion-mile journey, but also a journey 4 billion years back in time.
calling discovery result scientific
I?m calling the discovery of the two new satellites the first scientific result of New Horizons.