The orbit of the Moon around the Earth; new moon to full moon. Read more »
Solid Rocket Booster (x-post from /r/educationalgifs) Read more »
Coronal mass ejection captured by NASA’s IRIS probe and the Solar Dynamics Observatory Read more »
Orbit of the stars around the supermassive black hole at the center of the Milky Way Read more »
The orbit of Neptune’s inner moons (x10,000). Read more »
How NASA kept in contact with Skylab (x-post from /r/educationalgifs) Read more »
Mars and Jupiter’s retrograde orbits through Libra and Scorpius. This will occur during 2016 (made in Stellarium at x1,000,000 speed). Read more »
Tidal locking; the reason we only ever see one face of the moon. Read more »