Uploaded September 2026 | Updated September 2026, 14 hours ago
How far would you have to travel to find another Earth? One with the same temperature, the same oceans, the same countries... and eventually, the same room and the same person sitting inside it?
Anthony Aguirre follows that thought experiment to its strange conclusion: what happens if the universe is infinite?
Filmed and animated by Gabriel Fitzpatrick.
Sources and assets:
NASA — Flying Through Galaxies
svs.gsfc.nasa.gov/14950
NASA Exoplanet Archive
https://exoplanetarchive.ipac.caltech.edu/
NASA Exoplanet Archive — Planetary Systems Table
doi.org/10.26133/NEA12
NASA Blue Marble
visibleearth.nasa.gov/collection/1484/blue-marble
Copernicus Earth-observation data
https://dataspace.copernicus.eu/
HYG Star Database
github.com/astronexus/HYG-Database
1747 map of England — Wikimedia Commons
commons.wikimedia.org/wiki/File:1747_La_Feuille_Map_of_England_-_Geographicus_-_England-ratelband-1747.jpg
Camera-operator model — Adobe Mixamo
mixamo.com
Animations made in Blender
blender.org
The planet names and measurements shown are drawn from published data. The ocean figures, target worlds and survey counter are dramatised.
How far would you have to travel to find another Earth? One with the same temperature, the same oceans, the same countries... and eventually, the same room and the same person sitting inside it?
Anthony Aguirre follows that thought experiment to its strange conclusion: what happens if the universe is infinite?
Filmed and animated by Gabriel Fitzpatrick.
Sources and assets:
NASA — Flying Through Galaxies
svs.gsfc.nasa.gov/14950
NASA Exoplanet Archive
https://exoplanetarchive.ipac.caltech.edu/
NASA Exoplanet Archive — Planetary Systems Table
doi.org/10.26133/NEA12
NASA Blue Marble
visibleearth.nasa.gov/collection/1484/blue-marble
Copernicus Earth-observation data
https://dataspace.copernicus.eu/
HYG Star Database
github.com/astronexus/HYG-Database
1747 map of England — Wikimedia Commons
commons.wikimedia.org/wiki/File:1747_La_Feuille_Map_of_England_-_Geographicus_-_England-ratelband-1747.jpg
Camera-operator model — Adobe Mixamo
mixamo.com
Animations made in Blender
blender.org
The planet names and measurements shown are drawn from published data. The ocean figures, target worlds and survey counter are dramatised.
