The observable universe is about 93 billion light-years in diameter.
Fact #3678
👍 0 · 👎 0
More Space Facts
Cosmic microwave background radiation is evidence of the early universe.
Fact #1608 · Space
Gamma-ray bursts are among the most energetic events observed in the universe.
Fact #1602 · Space
There are rogue planets drifting through space with no star at all.
Fact #1871 · Space
Venus has surface temperatures hot enough to melt lead.
Fact #215 · Space
Asteroids vary widely in size and composition.
Fact #1631 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1866 · Space
The Milky Way galaxy contains billions of stars.
Fact #25 · Space
Project Blue Book investigated reports of unidentified flying objects.
Fact #1047 · Space
Want more facts?
We have over 11,491 facts across 15 categories.