Galactic Black Holes, Deep-Sea Gigantism, Venusian Climate: Scientific Mysteries for Sleep

Lights Out Library: Sleep Documentaries

Olimpia Pérez

History, Documentary, Alternative Health, Society & Culture, Health & Fitness

4.5 • 754 Ratings

🗓️ 12 October 2025

⏱️ 65 minutes

🔗️ Recording | iTunes | RSS

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Summary

In tonight's episode, we take a look at three topics that keep sparking debates in their respective scientific communities: • The existence of supermassive black holes at the center of galaxies, which are several million times more massive than "regular" black holes born from supernovas. Did these gigantic black holes appear as such, did they become so big by absorbing other bodies for billions of years, or is it something else? • Deep-Sea Gigantism, the fact that many species living deep under water become much bigger than their shallow waters relatives, despite living in an environment that offers much less food. • The climate on Venus: was it always as harsh, or did this planet once looked more like Earth before its atmosphere shifted dramatically? #sleep #bedtimestory #asmr #sleepstory #science Welcome to Lights Out Library Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style bedtime stories read in a calming ASMR voice. Learn something new while you enjoy a restful night of sleep. Listen ad free and get access to bonus content on our Patreon: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.patreon.com/LightsOutLibrary621⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Listen on Youtube: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.youtube.com/@LightsOutLibraryov⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ ¿Quieres escuchar en Español? Echa un vistazo a La Biblioteca de los Sueños! En Spotify: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://open.spotify.com/show/1t522alsv5RxFsAf9AmYfg⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ En Apple Podcasts: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://podcasts.apple.com/us/podcast/la-biblioteca-de-los-sue%C3%B1os-documentarios-para-dormir/id1715193755⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ En Youtube: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.youtube.com/@LaBibliotecadelosSuenosov⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠ Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	I'm so glad you've joined me on Lights Out Library tonight.
0:06.3	If you'd like to listen ad-free and unlock bonus episodes, then please consider joining our Patreon.
0:14.6	There's a link for it in the episode description.
0:18.6	Now, a quick word from our sponsors before tonight's story begins.
0:27.6	Hello, everyone. I'm Olympia. Thank you for being here with me in this wonderful place called
0:35.8	Lights Out Library,
0:38.1	and I have a great story to tell you.
0:42.1	Tonight, we're going to examine different scientific mysteries.
0:47.9	By scientific mysteries, I mean phenomena,
0:51.3	observations or hypotheses that science has had a hard time figuring out or that are
0:58.9	controversial. Things like the origin of this hellish climate on the planet Venus,
1:08.1	or the origins of gigantic black holes at the center of every galaxy.
1:15.2	Or closer to us, deep sea gigantism.
1:20.8	The fact that many species living deep underwater tend to be bigger than their cousins near the surface.
1:29.5	When theoretically, the scarcity of food and energy in the abyss should point to the opposite.
1:38.2	They should be smaller.
1:40.6	Don't worry, this may sound a bit complicated, but it will all make sense.
1:47.9	The concepts are easy to grasp, so if the concepts can be understood easily, why are these questions mysterious?
1:58.5	Because their origin, how they appeared, or the way they work are harder to fully understand,
2:08.0	which doesn't invalidate scientific knowledge or the scientific method.
2:14.7	By the opposite, science advances by solving questions and facing challenges to existing theories.
2:25.7	So what we're going to do is review some of these mysteries.
	...

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