Space & Scale

Fly out through a mapped model of our stellar neighbourhood until the Sun is one unremarkable dot among thousands.

One astronomy image a day since 1995, each with a paragraph from an actual astronomer and an archive going back decades.

NASA's real-time 3D model of every mission in flight, letting you ride along with a probe on its actual trajectory.

Tells you exactly when the space station will pass over your garden, and which direction to look.

A map of the solar system drawn to true scale, meaning most of your scrolling is spent crossing absolutely nothing.

A calendar of every conjunction, eclipse and meteor shower coming up, with charts drawn for your own location.

Travel outwards at light speed while hearing which radio hits have reached each distance, oldest at the far edge.

Every photograph, video and audio recording NASA has released, searchable and free to use for anything.

The official live stream, which for long stretches is simply Earth turning below the space station.

Drag one slider from quantum foam to the cosmic web, with every object in between labelled at its true size.

Ride a lift from the ground to geostationary orbit, passing every layer of atmosphere and satellite on the way.

NASA's tracker for when the space station is visible from where you live, with sighting alerts by email.

The planetarium in a browser tab — set your location and it shows exactly what is above you right now.

Scroll outwards from a human to the observable universe, with each step making the previous one look absurd.

Live positions and finder charts for planets, comets and asteroids, updated continuously and free of clutter.

Full-resolution images from the James Webb telescope, with the explanations of what you are actually looking at.

A browser planetarium stitched from real survey data, letting you pan the whole sky in visible light, infrared or radio.