Home
Authors
Tags
App
Get QuoteDark Inspirational Quotes App
" Seriously, we should start taxing churches and have tax-exempt places for worship and study of nature and art. Charge ten bucks for Sunday services and make the Botanic Gardens free. "
David Grinspoon
Study
Art
Free
Related Quotes:
" Mars does not belong to 'America,' nor to Earth, nor to human beings. "
David Grinspoon
America
Belong
Earth
" 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
" There is a real danger of unintended consequences, of encouraging people to give up. Pessimism, if it becomes a habit, can reinforce a narrative of unstoppable decline. If there is nothing we can do, that releases us from our obligations. "
David Grinspoon
Nothing
People
Consequences
" Why should we consider defining intelligence as something global and as something that hasn't actually yet appeared on Earth? It may be useful for envisioning the future of our own civilization and any others that may be out there among the stars. It might give us something to strive for. "
David Grinspoon
Intelligence
Future
Earth
" You cannot study other planets without referring to Earth and without applying the techniques and the insights of Earth science. And you cannot really do a good job understanding the Earth without the insights from planetary exploration. "
David Grinspoon
Science
Earth
Good
" We definitely don't want to go through another Ice Age or another natural cycle of global warming. Both happen over a long period of time. It would be disastrous for our civilization, and not just for us but many other species. "
David Grinspoon
Go
Time
Want
" 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
" In environments that are energy-rich but liquid-poor, like near the surface of Titan, natural selection may favor organisms that use their metabolic heat to melt their own watering holes. "
David Grinspoon
Favor
Heat
Natural
" Even as our unwitting alterations to Earth's carbon and hydrological cycles slowly make storms more damaging, our ability to monitor our planet from space and make reliable short-term forecasts have equipped us enormously to withstand them. "
David Grinspoon
Space
Storms
Ability
" 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
" In order to have a decent chance to be a communicating species, you would have to learn to think and plan and act over time scales of a century or a millennium. "
David Grinspoon
Time
Learn
Think
" I'm a strong advocate of new missions to Venus. "
David Grinspoon
Strong
Venus
New
" It will be a long time, if ever, before we get to study Earth-like planets orbiting around other stars, so really, the study of Venus and Mars is the best opportunity that we have, and can imagine having anytime in the future, to understand the evolution of Earth-like planets. "
David Grinspoon
Time
Best
Stars
" The more we look at the kinds of soils and the nature of the atmosphere and the polar caps, it all adds up to tell us that some liquid, which we very much believe was water, did flow in abundance on Mars in the past. "
David Grinspoon
Look
Water
Flow
" It's one of the big mysteries about Venus: How did it get so different from Earth when it seems likely to have started so similarly? The question becomes richer when you consider astrobiology, the possibility that Venus and Earth were very similar during the time of the origin of life on Earth. "
David Grinspoon
Earth
Life
Question
" 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'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
" As Earth's climate changes, we can expect more destructive hurricanes. As sea level and surface temperatures rise, more solar energy is trapped in the atmosphere, revving up the hydrological cycle of evaporation and precipitation and sometimes manifesting in terrifying storms. "
David Grinspoon
Rise
Solar
Sea
" 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
" 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
" 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
" If we gutted NASA Earth Science, it wouldn't be NOAA or some other agency that would take the lead. It would be the Chinese and the Europeans and the Japanese. "
David Grinspoon
Lead
Science
NASA
" The hallmark of the human species is great adaptability. "
David Grinspoon
Hallmark
Species
Great
" I was a science fiction geek from an early age, enthralled by the questions of life in the universe. As I got older, I learned that space exploration was real. I wanted to get involved in that. I knew I wanted to be a scientist. "
David Grinspoon
Space
Age
Life
" 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 the science of life in the universe. It's an attempt to scientifically deal with the question of whether or not we're alone in the universe, looking at the past of life, the present of life, and the future of life. It's an interdisciplinary study incorporating astronomy, biology, and the Earth sciences. "
David Grinspoon
Past
Alone
Future
" We're going to stop looking at Earth from orbit because we don't like what we are seeing and the conclusions that leads us to? That's nonsense. "
David Grinspoon
Earth
Stop
Seeing
" Through space-based climate studies, my colleagues and I have learned that a stable and comfortable climate is not something to take for granted. "
David Grinspoon
Take For Granted
Colleagues
Through
" Among the radio astronomers of SETI - the Search for Extraterrestrial Intelligence - it's only sort-of a joke that the true hallmark of intelligent life is the creation of radio astronomy. "
David Grinspoon
Intelligence
True
Search
" 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