... autiful planet – it looks like a living, breathing organism. But it also, at the same time, looks extremely fragile.“ ... „Anybody else who has been out at space says the same thing, because it really is striking, and is really sobering, to see this paper thin layer and to realize that this little paper thin layer is all that protects every living thing on earth from death, basically, from the harshness of space.“
– Ron Garan in „Overview“
