Is The Universe Infinite?

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 ...
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VIDEO ANNOTATIONS/CARDS
Is Math the Language of the Universe?
• Is Math the Language o...
How Far Away Is The Moon?
• How Far Away Is The Moon?
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HUGE THANK YOU TO THESE PATRONS:
** Andy Kirkham, Nikko Lai, Evgeny **
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EXTRA INFO LINKS
Veritasium on Observable Universe:
• Misconceptions About t...
MinutePhysics on Universe Size:
• How Big is the Universe?
PBS SpaceTime on Cosmic Inflation:
• How Cosmic Inflation F...
Vlogbrothers "No Edge" Video:
• How Big is the Universe?
Define Universe:
www.merriam-webster.com/dicti...
www.google.com/search?q=defin...
Cosmic Microwave Background:
en.wikipedia.org/wiki/Cosmic_...
en.wikipedia.org/wiki/Planck_...)
en.wikipedia.org/wiki/Comovin...
General Relativity Stuff:
map.gsfc.nasa.gov/universe/uni...
en.wikipedia.org/wiki/Friedma...
en.wikipedia.org/wiki/Friedma...
en.wikipedia.org/wiki/Scale_f...)
Topology:
en.wikipedia.org/wiki/Shape_o...
en.wikipedia.org/wiki/Genus_(...)
en.wikipedia.org/wiki/Homolog...
Occam's Razor:
en.wikipedia.org/wiki/Occam's...
SEFD Raisin Galaxy Simulator:
www.sefdstuff.com/raisingalaxy
Just For Fun:
• Bee Gees - Edge of the...
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STARTER COMMENTS
Infinite? - john michael:
• Basics of Hertzsprung-...
Infinite? - Spaskiba:
• Comment Responses: Rel...
Infinite? - Pirate Persian:
• Why is Light the Faste...
Edge? - Anish Tiwari:
• Why Doesn't Light Have...
Edge? - PokemonTom09:
• What the HECK are Plan...
Flat? - Abhijit Ghogre:
• Video
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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?
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IMAGE CREDITS
Logo designed by: Ben Sharef
Stock Photos and Clipart
- Wikimedia Commons commons.wikimedia.org/wiki/Mai...
- Openclipart openclipart.org/
- or I made them myself...
Cosmic Microwave Background:
www.esa.int/Our_Activities/Spa...
Planck Satellite:
commons.wikimedia.org/wiki/Fi...
Horsehead Nebula:
commons.wikimedia.org/wiki/Fi...
German Two-Handed Sword:
commons.wikimedia.org/wiki/Fi...
Majora's Mask:
en.wikipedia.org/wiki/File:Th...
gamefaqs.akamaized.net/screen...