Why astronauts can suffer vision impairment in space (x-post from /r/educationalgifs) Read more »
How the Earth’s north celestial pole changes over time. (Sped up 10^11x). Details in remarks. Read more »
Kuiper Belt fly-through (simulation) [1920 x 1080] [OC] [OS] Read more »
High resolution flyby of Pluto from new imagery Read more »
Apollo 11 Lunar Module returning from the Moon Read more »
Some geostationary satellites in space photographed last night Read more »
The Lensing Effect Black Holes Have on Light Read more »