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Bystander reacted to DEvens's post in the thread What did you do with your old college textbooks? with
Agree.
Sadly, used bookstores won't even take old textbooks for free. So, unless it's some really famous text that has some special... -
Bystander reacted to timmdeeg's post in the thread Our Beautiful Universe - Photos and Videos with
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Orionnebel M42 mit Pferdekopfnebel IC 434 und Flammennebel NGC 2024 Unexpectedly I could capture these nebulae at my birthday after a... -
Bystander reacted to Andy Resnick's post in the thread The Secrets of Prof. Verschure's Rosetta Stones with
Agree.
Chilled carbonatite magmatic boundary adjacent to fenitized gneiss (country rock), Fen complex. “Fenitiztion” is specifically... -
Bystander reacted to Borek's post in the thread Alien life, probabilities, and interstellar propagation of human life with
Like.
I would add "at any given point". Our technological civilization grew in just about 3k years (give or take, add a zero, divide by ten... -
Bystander reacted to Andy Resnick's post in the thread The Secrets of Prof. Verschure's Rosetta Stones with
Agree.
Transition rock showing fenitized gneiss adjacent to chilled margin of carbonatite magmatic intrusion. Fenite. Type locality...