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Turns in conditions apply.

This is CBS. I'm the world hotel Mars episode N with David Livingston,

Dr. Space of the Space Show, and we're on our way to Enceladus,

one of the moons of Saturn, and the study by Cassini, the spacecraft, some years past,

now introduces the concept of a mega plume from Enceladus,

and what that means is extremely promising. We welcome someone to help us interpret these events.

David Grinspoon is an astrobiologist and a senior scientist at the Planetary Science Institute.

Most recently, he's the author or the co-author of a book about Pluto,

but right now we're headed back inside the outer planets to Saturn,

and Enceladus, because Cassini gives us an image of not just a cryovolcano venting from the

surface, the cracked ice surface. It looks like central parks ice rink used to look like in the old

days after people have been skating all day, but also what comes out of that cracked ice,

and what we learn and can learn from it about water, about the conditions of astrobiology in our

solar system. David, Dr. Grinspoon, a very good evening to you. Much of this information you have

read over the years, what is new to you about this mega plume? What are you looking for, David? Good

...