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This article compares things in the universe by size, from small to large.
| Image | Name | Size | Description |
|---|---|---|---|
|
Anti-Infinity | -∞ m | The counterpart to infinity. |
|
Nothingness | 0 m | The complete absence of anything; the opposite of everything. |
|
Dark matter | <1ym | Hypothetical form of matter that is thought to make up around 27 percent of the
universe. |
|
Cosmic ray | <1ym | High-energy particle, mainly originating outside the Solar system. |
|
Quantum foam | <1ym | Fluctuation of spacetime on very small scales. |
|
Planck length | <1ym | The smallest length unit that makes sense.
The image shows Max Planck, the person who the Planck length was named after. |
|
Muon | <1ym | Subatomic, fundamental particle in the group of leptons. |
|
Micro Black Hole | <1ym | Hypothetical black hole of very small size. |