The observable universe is about 93 billion light‑years wide.
Fact #1754
More Space Facts
The observable universe is about 93 billion light‑years wide.
Fact #1865 · Space
The Milky Way is on a slow collision course with Andromeda.
Fact #143 · Space
The Fermi Paradox questions why extraterrestrial life has not been observed.
Fact #1603 · Space
There are planets made of diamond.
Fact #1688 · Space
The Earth's rotation slightly bulges at the equator.
Fact #325 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1947 · Space
Saturn could float in water because its density is low.
Fact #108 · Space
The Earth is not perfectly round.
Fact #1719 · Space
Want more facts?
We have over 11,491 facts across 15 categories.