Timelapse of the 24 hour Antarctic sun [πŸ“Ή Dave McKeegan]
Carl Sagan on the future of humanity (1980)
Why do we measure a complete rotation around the circle as being 360°? [🎞️ Beau Janzen / reason4math]
The dance of Earth, Jupiter, Saturn, and Uranus around the Sun [🎞️ thebrainmaze]
Good morning
Evening view of the Amalfi Coast in Italy.
Compaq Portable 1983 & Print Master Plus [πŸ“Ή vitaskhr]
Polar bear chilling after a lucullian meal. [πŸ“Ή Martin Gregus]
Xianren Bridge (δ»™δΊΊζ‘₯ lit. 'Fairy Bridge') is a natural arch created by flowing water that has the world's longest recorded span. Carved of limestone karst, the formation bridges Buliu River in the northern Guangxi Zhuang Autonomous Region, China.
The invisible 5-fold symmetry traced by Earth and Venus as they orbit the Sun. [πŸ“Ή Matthew Henderson]