There are unknown cosmic objects.
Fact #2376
👍 0 · 👎 0
More Space Facts
A day on Venus is longer than its year.
Fact #1684 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1848 · Space
The Yellowstone supervolcano is one of the largest volcanic systems in the world.
Fact #836 · Space
The Vostok 1 mission marked the first human spaceflight.
Fact #1024 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1789 · Space
Comets orbit the Sun in elongated paths.
Fact #75 · Space
Saturn could float in water because its density is low.
Fact #108 · Space
Dark energy is thought to drive the accelerating expansion of the universe.
Fact #1595 · Space
Want more facts?
We have over 11,491 facts across 15 categories.