- Know
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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
- New
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- Nov 07, 2020
I'm a strong advocate of new missions to Venus.
- Long
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- Nov 07, 2020
Earth is going to lose its oceans in the future, just as Venus did in the past. How long planets retain their oceans is a function of distance from the sun, all other things being equal.
- Environmental
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- Nov 07, 2020
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.
- Factors
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- Nov 07, 2020
Radiation is one of the important factors in evolution. It causes mutation, and some level of mutation is actually good for evolution.
- Protection
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- Nov 07, 2020
Mars does not have an atmosphere and does not have a magnetic field today, so the planet doesn't have the protection from radiation that our atmosphere and magnetic fields provide us on Earth.
- Earth
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- Nov 07, 2020
What I wonder most about the Anthropocene is not when did it start - but when, and how, will it end? Will it end? Or is it possible that our own growing awareness of our role on Earth can itself play a pivotal role in shaping the outcome toward one that we would desire?
- Cognitive
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- Nov 07, 2020
Now, humans have become a dominant force of planetary change and, thus, we may have entered an eon of post-biological evolution in which cognitive systems have gained a powerful influence on the planet.
- New
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- Nov 07, 2020
The story of our species is one of overcoming existential risk through new forms of cooperation and innovation.
- Earth
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- Nov 07, 2020
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.
- Like
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- Nov 07, 2020
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.
- Lead
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- Nov 07, 2020
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.
- Life
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- Nov 07, 2020
There are other planets besides the Earth and Mars. I'd like to remind you that studying Venus is vital to understanding life elsewhere.
- Commonly
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- Nov 07, 2020