From a neutron star the size of a city through planets, the Sun and giant stars to black holes, galaxies and the whole observable universe – 46 bodies side by side at their true relative sizes. Zoom out and in with the wheel, the slider or your finger, start the tour and hover over a body: you…
An interactive comparison of sizes in the universe: from a neutron star the size of a city through planets, giant stars and black holes to galaxies and the whole observable universe, all at their true relative sizes. Hover over a body to see what it is made of and what is interesting about it.