Why astronauts can suffer vision impairment in space (x-post from /r/educationalgifs)

Why astronauts can suffer vision impairment in space (x-post from /r/educationalgifs) Read more »

The Moon Crossing the Face of the Earth

The Moon Crossing the Face of the Earth Read more »

How the Earth’s north celestial pole changes over time. (Sped up 10^11x). Details in comments.

How the Earth’s north celestial pole changes over time. (Sped up 10^11x). Details in remarks. Read more »

Pluto flyby

Pluto flyby Read more »

Kuiper Belt fly-through (simulation) [1920 x 1080] [OC] [OS]

Kuiper Belt fly-through (simulation) [1920 x 1080] [OC] [OS] Read more »

High resolution flyby of Pluto from new imagery

High resolution flyby of Pluto from new imagery Read more »

Apollo 11 Lunar Module returning from the Moon

Apollo 11 Lunar Module returning from the Moon Read more »

Some geostationary satellites photographed last night

Some geostationary satellites in space photographed last night Read more »

From the distance of Saturn

From the distance of Saturn Read more »

The Lensing Effect Black Holes Have on Light

The Lensing Effect Black Holes Have on Light Read more »