is The Universe Flat?

array(10) { [0]=> object(stdClass)#5963 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "-gLNlC_hQ3M" ["related_video_title"]=> string(18) "The Shape of Space" ["posted_time"]=> string(20) "11 лет назад" ["channelName"]=> string(14) "Tamara Munzner" } [1]=> object(stdClass)#5936 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "lFlu60qs7_4" ["related_video_title"]=> string(63) "How One Line in the Oldest Math Text Hinted at Hidden Universes" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(10) "Veritasium" } [2]=> object(stdClass)#5961 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "T0-bsPKQrj0" ["related_video_title"]=> string(119) "АСТРОНОМЫ УВИДЕЛИ ТАИНСТВЕННОЕ ТЁМНОЕ ВЕЩЕСТВО. Владимир Сурдин" ["posted_time"]=> string(19) "2 дня назад" ["channelName"]=> string(65) "Неземной подкаст Владимира Сурдина" } [3]=> object(stdClass)#5968 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "-K8SUnnMd5w" ["related_video_title"]=> string(39) "This Could Be The Shape Of The Universe" ["posted_time"]=> string(27) "9 месяцев назад" ["channelName"]=> string(9) "Joe Scott" } [4]=> object(stdClass)#5947 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "xqDmTBa3nr4" ["related_video_title"]=> string(33) "The Bizarre Shape Of The Universe" ["posted_time"]=> string(27) "8 месяцев назад" ["channelName"]=> string(11) "Up and Atom" } [5]=> object(stdClass)#5965 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "e1dOnqCu9pQ" ["related_video_title"]=> string(90) "It really seems like our universe could be part of a hypersphere, but... it's probably not" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(9) "Zach Star" } [6]=> object(stdClass)#5960 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "EV8s0wm-7rg" ["related_video_title"]=> string(72) "Рухнет ли режим в Иране (English subtitles) @Max_Katz" ["posted_time"]=> string(23) "6 часов назад" ["channelName"]=> string(19) "Максим Кац" } [7]=> object(stdClass)#5970 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "QWx6QBlpvns" ["related_video_title"]=> string(88) "1. Встреча на Патриарших. Мастер и Маргарита. Full HD" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(19) "NightHORROR_Channel" } [8]=> object(stdClass)#5946 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "VxZjH3slmjE" ["related_video_title"]=> string(76) "На скорости света (визуализация от ScienceClic)" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(10) "VoicePower" } [9]=> object(stdClass)#5964 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "m4ETS8Dqgoo" ["related_video_title"]=> string(122) "Атака РФ на американский корабль? / Мир приблизился к ядерной войне" ["posted_time"]=> string(24) "17 часов назад" ["channelName"]=> string(10) "NEXTA Live" } }