Space

A wormhole as depicted in the 2014 film <n>Interstellar</n>, directed by <n>Christopher Nolan</n>.

The waning crescent <n>Moon</n> over <n>Earth</n>, seen from the <n>International Space Station</n>. Photo by <n>NASA</n>.

The <n>Engraved Hourglass Nebula</n> (MyCn 18), captured by the <n>Hubble Space Telescope</n> in 1996.

A recreation of the black hole <n>Gargantua</n> from the film *Interstellar* by artist <n>Andrew_D</n>.

A visualization of a black hole credited to <n>NASA</n>.

A 1980 mosaic of <n>Mars</n> featuring <n>Valles Marineris</n>, from 102 <n>Viking Orbiter</n> images. Photo by <n>NASA</n>.