How big is a Gigaparsec? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare a Gigaparsec to other similar objects.

Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare the Estimated Size of the Universe to other similar objects.

How big is Quantum Foam? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare Quantum Foam to other similar objects.

How big is Earth? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare Earth to other similar objects.

While they often showed relative sizes, these models were usually not built to scale. The enormous ratio of interplanetary distances to planetary diameters makes constructing a scale …

How big is Abell 2029? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare Abell 2029 to other similar objects.

How big is the Top Quark? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare the Top Quark to other similar objects.

Our Sun is more than 1.4 million km across. But stars are not all the same size. They range from the size of a city, to large enough to swallow half our Solar System! Neutron stars pack a lot of …

How big is a Phospholipid? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare a Phospholipid to other similar objects.

How big is the Ring Nebula? Find out on Scale of the Universe, an interactive, educational tool that puts our world into perspective. Compare the Ring Nebula to other similar objects.