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- Nov 07, 2020
David Grinspoon Quotes
Most Famous David Grinspoon Quotes of All Time!
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- Last Updated on May 30, 2021
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- Nov 07, 2020
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.
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- Nov 07, 2020
The basic ability to not wipe oneself out, to endure, to use your technological interaction with the world in such a way that has the possibility of the likelihood of lasting and not being temporary - that seems like a pretty good definition of intelligence.
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- Nov 07, 2020
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.
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- Nov 07, 2020
I think that an advanced planetary civilization will modify their own planets to be more stable, to prevent asteroid impacts and dangerous climate fluctuations.
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- Nov 07, 2020
Ever since the environmental movement was sparked by photos of the whole Earth taken by astronauts onboard Apollo Lunar Modules, I've seen planetary exploration as an extension of a reverence and care for Earth.
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- Nov 07, 2020
I'd been politically active ever since my parents wheeled me in a stroller in a 'ban the bomb' march in Boston in 1963.
- Earth
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- Nov 07, 2020
NASA, and all the other spacefaring nations of the world, have agreed to a set of 'planetary-protection' principles, aimed at preventing the accidental contamination of another habitable world with organisms from Earth.
- Earth
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- Nov 07, 2020
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.
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- Nov 07, 2020
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.
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- Nov 07, 2020
A lot of the science fiction that I grew up reading was written when we still thought that Venus might be an oceanic planet.
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- Nov 07, 2020
It turns out one of my dad's best friends was Carl Sagan when I was little. They were both Harvard professors.
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- Nov 07, 2020
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.
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- Nov 07, 2020
I do a lot of work with NASA and am involved in research projects studying planetary evolution, Earth-like planets, and potential conditions for life elsewhere.
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- Nov 07, 2020