In the past Quote by Alan Stern Download Open image “Liquids may have existed on the surface of Pluto in the past.” — Alan Stern ★ ★ ★ ★ ★ 3.4 out of 5 (6 ratings) Copy quoteShare In the past May Past Pluto Surface Time
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 Copy Share Image
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 Copy Share Image
Whether there's even an ocean on Pluto deep inside is a question I hope New Horizons can address in indirect ways. — Alan Stern Copy Share Image
We're pretty sure there's plenty of organic material on Pluto. The atmosphere is largely methane, and in sunlight, methane builds organic molecules. We see… — David Grinspoon Copy Share Image
Pluto is still active four and a half billion years into its history. It was expected that small planets like Pluto would cool off… — Alan Stern Copy Share Image
Pluto is showing us a diversity of landforms and complexity of processes that rival anything we've seen in the solar system. — Alan Stern Copy Share Image
You could not have predicted the amazing discoveries at Pluto, even though we have been to a couple of objects in the solar system… — Alan Stern Copy Share Image
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… — Alan Stern Copy Share Image
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 Copy Share Image
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 Copy Share Image
The Kuiper belt region, which I call the third zone because it lies beyond the rocky terrestrial planets and beyond the giant planets, is… — Alan Stern Copy Share Image
I think if you were between maybe 6 and 16, there was nothing like Apollo, and I wonder if there can be something like… — Alan Stern Copy Share Image
If you put Earth out beyond Neptune, you wouldn't be able to call it a planet because it couldn't clear its zone. — Alan Stern Copy Share Image
When we first sent missions to Jupiter, no one expected to find moons that would have active volcanoes. And I could go down a… — Alan Stern Copy Share Image
Pluto is still active four and a half billion years into its history. It was expected that small planets like Pluto would cool off… — Alan Stern Copy Share Image
The Kuiper Belt is the largest mapped structure in our planetary system, three times as big as all the territory from the sun out… — Alan Stern Copy Share Image
If two billion people wanted to watch a robot fly by Pluto, imagine what it will be like when the first humans step on… — Alan Stern Copy Share Image
To keep everyone invested in your vision, you have to back up a little bit and really analyze who the different stakeholders are and… — Alan Stern Copy Share Image
Voting Labour in the past hasn't protected Scotland against Tory governments. — Nicola Sturgeon Copy Share Image
Mistakes I've made in the past make me afraid to try new things in the future. I want to be perfect. — James Altucher Copy Share Image
In the past, I've been a workaholic. I'm trying not to be anymore. — Lauren Shuler Donner Copy Share Image
September 11 was a wake-up call to me. I don't want to contribute to the hate in any shape or form. I now regret… — Hamza Yusuf Copy Share Image
It's not a very nice thing to not have empathy. I would like to have empathy. In the past I haven't been very empathetic… — Spencer Matthews Copy Share Image
In the past, Federal Reserve chairmen have not generally gone directly to the public. — Ben Bernanke Copy Share Image
I love finding out-of-the-box inspirations and blending them with what I've done in the past. And when I started to experiment with genres, it… — Avicii Copy Share Image
I make it a priority to keep in touch with people with whom I've worked in the past. And I'm fortunate, because I've worked… — Sallie Krawcheck Copy Share Image
I used to like humorous people in the past, but these days, I like serious people more. — Park Shin-hye Copy Share Image
In the past some of the most influential Jewish, Christian and Muslim theologians, such as Maimonides, Aquinas and Ibn Sina, made it clear that… — Karen Armstrong Copy Share Image
I don't look at our society today too much. My focus is still in the past, and part of the reason is because what… — August Wilson Copy Share Image
In the past, I used to tell everyone that I have never had a boyfriend, because I was still quite young. However, I cannot… — Park Shin-hye Copy Share Image
