Cool! I'll take #50.
Water comes from Outer Space. Suspicious0bservers' content is paywalled, but you can see the chapter headings
here. He mentions it frequently on the daily space weather update.
Chapter 1 is ripped off on Youtube [URL=.../watch?v=gBuyqM5u2GY]. 'STARWATER Chapter 1: Water in our Solar System'
Chapter 2 at /watch?v=fDY2SNo6_80. 'STARWATER Chapter 2: Water and the Stars'
And if you prefer more mainstream content, National Geographic has
Star Found Shooting Water "Bullets"
markweatherill -- A chimney to above the atmosphere wouldn't draft.