How Much of the Earth Can You See at Once?

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Vsauce

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Shared July 17, 2017

My shirt is from this quarter’s CURIOSITY BOX: http://www.curiositybox.com/
MY TWITTER: http://www.twitter.com/tweetsauce
MY INSTAGRAM: http://www.instagram.com/electricpants

Thanks to Mitchell for the jack-in-the-box! http://brainvenomstudio.com/

3Blue1Brown: https://www.youtube.com/channel/UCYO_...

3Blue1Brown fractal dimension video: https://www.youtube.com/watch?v=gB9n2...

Mathologer video: https://www.youtube.com/watch?v=qhbuK...

Distance to horizon calculator: http://www.ringbell.co.uk/info/hdist.htm

Earth curvature calculator: http://earthcurvature.com/

US cross section: https://www.reddit.com/r/MapPorn/comm...

Scott Kelly ISS earth pic: https://twitter.com/stationcdrkelly/s...

names of large numbers: https://en.wikipedia.org/wiki/Names_o...

Earth’s surface fractal dimension: http://www.dtic.mil/dtic/tr/fulltext/...

Improbable research pancake study: http://www.improbable.com/airchives/p...

State flatness paper: http://www.disruptivegeo.com/blog/wp-...

Mental floss article on flat states: http://mentalfloss.com/article/58976/...

Lake Islands: https://en.wikipedia.org/wiki/Lake_is...

XKCD What If? bowling ball Earth: https://what-if.xkcd.com/46/

West Virginia map: https://store.usgs.gov/product/109169

Is Earth as smooth as a billiard ball? https://skeptics.stackexchange.com/qu...

WPA rules: http://wpapool.com/rule-regulations/

Billiard ball surface scan paper: http://billiards.colostate.edu/bd_art...

What state people think of as flat: http://americangeo.org/wp-content/upl...

Roche limit:

https://en.wikipedia.org/wiki/Roche_l...
https://www.quora.com/Why-arent-we-af...
https://www.quora.com/Does-the-Roche-...

Hey What’s That? http://www.heywhatsthat.com

Field of view: https://en.wikipedia.org/wiki/Field_o...

Angular diameter: https://en.wikipedia.org/wiki/Angular...

Spherical cap calculator: http://www.1728.org/sphere.htm

amount of sphere seen from distance calculator: http://www.neoprogrammics.com/spheres...

seeing Earth as a disc: https://physics.stackexchange.com/que...

how high to see the curvature of Earth? https://earthscience.stackexchange.co...

Earth from moon pics: https://www.flickr.com/photos/project...

Star magnitude calculator: http://www.mesacc.edu/~kev2077220/fla...

Star distances: https://www.reddit.com/r/askscience/c...

list of stars with resolved images: https://en.wikipedia.org/wiki/List_of...

2d figures by me

3d animations by Eric Langlay https://www.youtube.com/user/ericdrav...

Music from Jake Chudnow: https://www.youtube.com/user/jakechudnow
and Audio Network: http://www.audionetwork.com/