How Much of the Earth Can You See at Once?

by: Vsauce     Published on: 17 July 2017

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My shirt is from this quarter’s CURIOSITY BOX: http://www.curiositybox.com/MY TWITTER: http://www.twitter.com/tweetsauceMY INSTAGRAM: http://www.instagram.com/electricpantsThanks to Mitchell for the jack-in-the-box! http://brainvenomstudio.com/3Blue1Brown: https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw3Blue1Brown fractal dimension video: https://www.youtube.com/watch?v=gB9n2gHsHN4Mathologer video: https://www.youtube.com/watch?v=qhbuKbxJsk8Distance to horizon calculator: http://www.ringbell.co.uk/info/hdist.htmEarth curvature calculator: http://earthcurvature.com/US cross section: https://www.reddit.com/r/MapPorn/comments/22cco7/us_elevation_profile_from_la_to_nyc_oc_1139x442/Scott Kelly ISS earth pic: https://twitter.com/stationcdrkelly/status/618407818962575360?lang=ennames of large numbers: https://en.wikipedia.org/wiki/Names_of_large_numbersEarth’s surface fractal dimension: http://www.dtic.mil/dtic/tr/fulltext/u2/a129664.pdfImprobable research pancake study: http://www.improbable.com/airchives/paperair/volume9/v9i3/kansas.html State flatness paper: http://www.disruptivegeo.com/blog/wp-content/uploads/2014/08/FlatMap_GeographicalReview_DobsonCampbell_2013Nov.pdfMental floss article on flat states: http://mentalfloss.com/article/58976/kansas-really-flatter-pancakeLake Islands: https://en.wikipedia.org/wiki/Lake_islandXKCD What If? bowling ball Earth: https://what-if.xkcd.com/46/West Virginia map: https://store.usgs.gov/product/109169Is Earth as smooth as a billiard ball? https://skeptics.stackexchange.com/questions/10763/is-earth-as-smooth-as-a-billiard-ballWPA rules: http://wpapool.com/rule-regulations/Billiard ball surface scan paper: http://billiards.colostate.edu/bd_articles/2013/june13.pdfWhat state people think of as flat: http://americangeo.org/wp-content/uploads/2015/01/AGSGeographicKnowledgeValuesSurveyFinal.pdfRoche limit:https://en.wikipedia.org/wiki/Roche_limithttps://www.quora.com/Why-arent-we-affected-by-the-Roche-Limit-Earth-is-clearly-larger-than-ushttps://www.quora.com/Does-the-Roche-limit-apply-to-our-human-launched-satellites-and-other-orbiting-bodies-of-EarthHey What’s That? http://www.heywhatsthat.comField of view: https://en.wikipedia.org/wiki/Field_of_viewAngular diameter: https://en.wikipedia.org/wiki/Angular_diameterSpherical cap calculator: http://www.1728.org/sphere.htmamount of sphere seen from distance calculator: http://www.neoprogrammics.com/spheres/visible_fraction_of_surface.phpseeing Earth as a disc: https://physics.stackexchange.com/questions/64253/distance-away-from-earth-to-see-it-as-a-full-diskhow high to see the curvature of Earth? https://earthscience.stackexchange.com/questions/7283/how-high-must-one-be-for-the-curvature-of-the-earth-to-be-visible-to-the-eyeEarth from moon pics: https://www.flickr.com/photos/projectapolloarchive/sets/72157658976934006/Star magnitude calculator: http://www.mesacc.edu/~kev2077220/flash/magcalc.htmlStar distances: https://www.reddit.com/r/askscience/comments/20eyvg/what_is_the_average_distance_of_the_stars_that_we/list of stars with resolved images: https://en.wikipedia.org/wiki/List_of_stars_with_resolved_images2d figures by me3d animations by Eric Langlay https://www.youtube.com/user/ericdraven30Music from Jake Chudnow: https://www.youtube.com/user/jakechudnowand Audio Network: http://www.audionetwork.com/