Quote #42,162

"Astrobiology is the science of life in the universe. It's an attempt to scientifically deal with the..." — David Grinspoon

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
David Grinspoon Scientist • American
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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
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.
— David Grinspoon
Radiation is one of the important factors in evolution. It causes mutation, and some level of mutation is actually good for evolution.
— David Grinspoon
I'm an astrobiologist, and I come from a planetary science background, so in a very broad sense, I study the evolution of planetary environments.
— David Grinspoon