How to see the true geometry of the Universe

https://www.quantamagazine.org/what-is-the-geometry-of-the-universe-20200316/?utm_source=Nature+Briefing&utm_campaign=2033dfb840-briefing-dy-20200318&utm_medium=email&utm_term=0_c9dfd39373-2033dfb840-44992633

How to see the true geometry of the Universe

Is our Universe geometrically flat — as it appears to us humble humans at first glance when we gaze into the night sky — or are we mere ants crawling over a spherical or hyperbolic shape? An infographic-packed feature walks us through the fantastic possibilities.

Quanta | 11 min read