April 13, 2023

Earth's Strange Twin: the Venus Paradox - Dr. James Garvin, NASA

1 hour 50 minutes

Dr. James Garvin is the NASA Goddard Space Flight Center Chief Scientist, currently focused on two main projects - massive terrestrial impacts, and the mysteries hidden beneath the clouds of Venus. Based off of lunar and Martian observations, Garvin believes that our models for the history of impacts on Earth might be nowhere near severe enough. Then there’s also the ambitious DAVINCI mission to Venus, which will launch in 2029 with the goal of getting a glance under Venus’ thick cloud atmosphere for the first time since the Soviet Venera landers of the 1970s. We talk impacts, solar system formation, oddities of tectonic activity in the solar system, and the twin history of Venus and Earth.

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(00:00) Go!

(00:03:53) 3D Revolution in Geosciences

(00:07:10) Acceptance of Impact Theories

(00:11:48) Earth Exceptionalism

(00:22:51) Possible but Unfathomable

(00:29:06) Stylistic Changes in Science

(00:35:32) Going back to Venus

(00:45:36) Changing timelines?

(00:52:33) Day to Day at NASA

(00:56:04) DAVINCI Mission Difficulties

(01:07:23) Plate Tectonics & Vulcanism on Venus

(01:17:44) Sending People?

(01:23:19) The Millenium Plan for NASA

(01:37:12) The Human Project

(01:41:02) Tonga

(01:49:17) End

#Venus #asteroid #nasa

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PODCAST INFO: Anastasia completed her PhD studying bioelectricity at Columbia University. When not talking to brilliant people or making movies, she spends her time painting, reading, and guiding backcountry excursions. Michael Shilo also did his PhD at Columbia studying the elastic properties of molecular water. When he's not in the film studio, he's exploring sound in music. They are both freelance professors at various universities.

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