The ocean floor is better mapped on Mars and the Moon than on Earth.
Fact #8516
👍 0 · 👎 0
More Space Facts
The universe has no center.
Fact #1699 · Space
The observable universe is about 93 billion light‑years wide.
Fact #1754 · Space
Mercury has no substantial atmosphere to trap heat.
Fact #249 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1729 · Space
The Earth's magnetic poles slowly shift over time.
Fact #212 · Space
Asteroids vary widely in size and composition.
Fact #1631 · Space
Space is completely silent.
Fact #1689 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1790 · Space
Want more facts?
We have over 11,491 facts across 15 categories.