You might have heard someone say the universe is "flat" or is "infinite." What does that mean? More importantly, is it true? Do we know for sure? Find out in this installment of mind-melting physics. But, even in a finite universe, do you still need infinity to explain the real world? Check out Looking Glass Universe's video to find out: • How real are the real numbers, really? ________________________________ VIDEO ANNOTATIONS/CARDS Is Math the Language of the Universe? • Is Math the Language of the Universe? How Far Away Is The Moon? • How Far Away Is The Moon? ________________________________ HUGE THANK YOU TO THESE PATRONS: ** Andy Kirkham, Nikko Lai, Evgeny ** ________________________________ SCIENCE ASYLUM STUFF Support us on Patreon: / scienceasylum Advanced Theoretical Physics (eBook): https://gumroad.com/l/ubSc Merchandise: https://www.scienceasylum.com More videos at: / thescienceasylum Facebook: / scienceasylum Twitter: @nicklucid / nicklucid Instagram: @nicklucid / nicklucid Vlog: / thenicklucid ________________________________ EXTRA INFO LINKS Veritasium on Observable Universe: • Misconceptions About the Universe MinutePhysics on Universe Size: • How Big is the Universe? PBS SpaceTime on Cosmic Inflation: • How Cosmic Inflation Flattened the Universe Vlogbrothers "No Edge" Video: • How Big is the Universe? Define Universe: https://www.merriam-webster.com/dicti... https://www.google.com/search?q=defin... Cosmic Microwave Background: https://en.wikipedia.org/wiki/Cosmic_... https://en.wikipedia.org/wiki/Planck_...) https://en.wikipedia.org/wiki/Comovin... General Relativity Stuff: http://map.gsfc.nasa.gov/universe/uni... https://en.wikipedia.org/wiki/Friedma... https://en.wikipedia.org/wiki/Friedma... https://en.wikipedia.org/wiki/Scale_f...) Topology: https://en.wikipedia.org/wiki/Shape_o... https://en.wikipedia.org/wiki/Genus_(...) https://en.wikipedia.org/wiki/Homolog... Occam's Razor: https://en.wikipedia.org/wiki/Occam's... SEFD Raisin Galaxy Simulator: http://www.sefdstuff.com/raisingalaxy Just For Fun: • Bee Gees - Edge of the Universe ________________________________ STARTER COMMENTS Infinite? - john michael: • Basics of Hertzsprung-Russell (HR) Diagrams Infinite? - Spaskiba: • Comment Responses: Relativity Series Infinite? - Pirate Persian: • Why is Light the Fastest Thing? Edge? - Anish Tiwari: • Why Doesn't Light Have Mass? Edge? - PokemonTom09: • What the HECK are Planck Units? Flat? - Abhijit Ghogre: • Video ________________________________ COMMENT RESPONSES Moon Causing Tides - Antares: • How Far Away Is The Moon? Scale Distance to Stars - Kahandran: • How Far Away Is The Moon? FTL Travel - ThatMrTC: • How Far Away Is The Moon? Closer Moon Problems - Alexandro Ochoa: • How Far Away Is The Moon? Majora's Mask - Elliot Grey: • How Far Away Is The Moon? Moon Reflector - YouCanScienceIt: • How Far Away Is The Moon? ________________________________ IMAGE CREDITS Logo designed by: Ben Sharef Stock Photos and Clipart Wikimedia Commons http://commons.wikimedia.org/wiki/Mai... Openclipart http://openclipart.org/ or I made them myself... Cosmic Microwave Background: http://www.esa.int/Our_Activities/Spa... Planck Satellite: https://commons.wikimedia.org/wiki/Fi... Horsehead Nebula: https://commons.wikimedia.org/wiki/Fi... German Two-Handed Sword: https://commons.wikimedia.org/wiki/Fi... Majora's Mask: https://en.wikipedia.org/wiki/File:Th... https://gamefaqs.akamaized.net/screen...