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" I will defend the NASA Earth Science Division with everything I've got. "
David Grinspoon
Earth
Division
Science
Related Quotes:
" We don't know that Venus had oceans, but there's every reason to believe it did. "
David Grinspoon
Know
Reason
Venus
" I do comparative studies of climate evolution, and the interactions between planetary atmosphere and surfaces and their radiation environment, and try to understand the environmental factors that can affect a planet's habitability and how they change over time. "
David Grinspoon
Environment
Time
Environmental
" I think a lot of people interested in space exploration tend to hear stories about the great missions, how they work technically, what we learned. But they don't really hear the story of what it takes to get a mission from scratch to the launch pad and into space. "
David Grinspoon
Work
Great
People
" We have all this very clever technology and all these abilities to manipulate the world in all these ways, yet we are faced with the very real question of whether we can be sustainable on this planet - whether or not, in fact, we can endure. "
David Grinspoon
Technology
Question
Clever
" Literally, my earliest memory, my earliest vivid memory, is the Apollo 11 landing on the Moon. Yeah, I was in fourth grade, and I was just so captivated. And I think you'll find a lot of space scientists of my generation will say the same thing. Apollo was a big event for them. "
David Grinspoon
Think
Moon
Memory
" We have to learn to become a new kind of entity on this world that has the maturity and the awareness to handle being a global species with the power to change our planet and use that power in a way that is conducive to the kind of global society we want to have. "
David Grinspoon
Maturity
Change
World
" A lot of the science fiction that I grew up reading was written when we still thought that Venus might be an oceanic planet. "
David Grinspoon
Reading
Science
Up
" Astrobiology is a great point of contact for science outreach. The public is naturally interested in extra-terrestrial life. Astrobiology provides an accessible point of access that leads to deeper questions. "
David Grinspoon
Questions
Point
Great
" Among the plausible niches for extraterrestrial life in our solar system, the clouds of Venus are among the most accessible and the least well explained. "
David Grinspoon
Life
System
Well
" Responsible global behaviour is ultimately an act of self-preservation of, by, and for the global beast that modern technological humanity has become. "
David Grinspoon
Become
Technological
Beast
" I don't see it as coincidence that the great acceleration of the Anthropocene influences on Earth came during the same decades as our first exploration of the other planets. "
David Grinspoon
Earth
See
Exploration
" The reason you see so many volcanoes on Venus is partly due to the fact that there's virtually no erosion there. So on Venus, you're seeing features, some of which are hundreds of millions of years old on the surface. On Earth, we do not see any surface features nearly that old - you only see much more recent features. "
David Grinspoon
Earth
You
Seeing
" I think the best SF writers are very aware of what we, in the scientific community, are doing, thinking, and discovering. "
David Grinspoon
Think
Thinking
Community
" There's eco-pragmatism, where you recognize, 'Yeah, we live on a planet that's permanently altered by humanity, and rather than seek to return to or preserve pure wilderness, we recognize that's an illusion, and we proceed under the new knowledge that we live, in fact, in a human-dominated planet.' "
David Grinspoon
Illusion
Wilderness
Live
" I'd been politically active ever since my parents wheeled me in a stroller in a 'ban the bomb' march in Boston in 1963. "
David Grinspoon
Active
Been
Boston
" Titan has rivers and lakes of liquid methane and ethane, methane weather systems of clouds and storms that mirror Earth's hydrologic cycle, and seasonal cycles that rival Earth's in complexity. "
David Grinspoon
Mirror
Storms
Clouds
" It is said that Mahatma Gandhi, when asked about Western civilization, remarked, 'I think it would be a good idea.' That's how I feel about intelligent life on Earth, especially when I think about the question of what truly intelligent life might look like elsewhere in the universe. "
David Grinspoon
Earth
Life
Look
" I intend to apply the perspective of astrobiology, which is a deep-time way of looking at life on Earth, towards the question of the Anthropocene. What does the human phenomenon on Earth look like viewed from an interplanetary perspective? "
David Grinspoon
Earth
Life
Perspective
" I'd like to jump a couple hundred years into the future and work with the scientists who are getting back the first information from our probes to planets orbiting nearby stars. "
David Grinspoon
Stars
Future
Work
" What if life is not carbon-based? Can life exist as a gas or a plasma? Could planets or stars in some sense be alive? What about an interstellar cloud? Could life exist on such a small or large scale, or move so fast or so slowly that we wouldn't recognize it? Could you have an intelligent virus? "
David Grinspoon
Fast
Cloud
You
" Venus and Mars are our next of kin: they are the two most Earth-like planets that we know about. They're the only two other very Earth-like planets in our solar system, meaning they orbit close to the sun; they have rocky surfaces and thin atmospheres. "
David Grinspoon
Two
Know
Solar
" Even cynical, selfish people will realize, one way or the other, that it's not in their self-interest to act in self-destructive ways. "
David Grinspoon
Will
Selfish
Act
" Humanity has at least a dim, and growing, cognisance of the effects of its presence on this planet. The possibility that we might integrate that awareness into how we interface with the Earth system is one that should give us hope. "
David Grinspoon
Growing
Earth
Presence
" Fixing global warming is more important than astronomy. "
David Grinspoon
Astronomy
Global Warming
Important
" What we should really be thinking about is what it would look like for a truly intelligent technological species to be interacting with their planet's atmosphere. "
David Grinspoon
Look
Thinking
Intelligent
" Earth's biosphere gave birth to humans and our thoughts, which are now reshaping its planetary cycles. A planet with brains? Fancy that. "
David Grinspoon
Earth
Our
Now
" When I first went to college, I went into physics, and my goal was to help perfect nuclear fusion so I could solve the energy crisis and global warming. I probably would have done it, too, if I'd stuck to it. "
David Grinspoon
College
Help
Perfect
" There was a long history of people believing there was life on Venus. It was about the same size as Earth. It had clouds. It was commonly believed it was tropical - wet, hot and steamy. "
David Grinspoon
Life
Hot
History
" We need visions of a future in which we have applied our infinite creativity to the task of living on a finite world, where we have embraced our role, become comfortable and proficient as planet-shapers, and learned to use our technological skills to enhance the survival prospects not just of humanity but of all life on Earth. "
David Grinspoon
Earth
Creativity
Future
" If you were on the surface of Venus, assuming you could see the Sun, which, you know, would be hard because it's so cloudy there, but the Sun would actually rise in the west and set in the east. And, it would do so very, very slowly, because the planet rotates incredibly slowly. "
David Grinspoon
Rise
Know
Cloudy