Warning: DOMDocument::loadHTML(): Unexpected end tag : param in Entity, line: 2 in /home/u859666291/domains/hight3ch.com/public_html/wp-content/plugins/citelayer/vendor/league/html-to-markdown/src/HtmlConverter.php on line 121

Warning: DOMDocument::loadHTML(): Unexpected end tag : param in Entity, line: 2 in /home/u859666291/domains/hight3ch.com/public_html/wp-content/plugins/citelayer/vendor/league/html-to-markdown/src/HtmlConverter.php on line 121

Warning: DOMDocument::loadHTML(): Unexpected end tag : param in Entity, line: 2 in /home/u859666291/domains/hight3ch.com/public_html/wp-content/plugins/citelayer/vendor/league/html-to-markdown/src/HtmlConverter.php on line 121
--- title: How Do We Know The Universe Is Flat? — HIGH T3CH url: https://hight3ch.com/how-do-we-know-the-universe-is-flat/ date: 2010-11-01 --- # How Do We Know The Universe Is Flat? Have you ever wondered how astrophysicists know that the universe is flat? adsenseadsense#kontera