Liquid water exists under the surface of Mars, according to radar data from the Mars Express orbiter.
Fact #3891
👍 0 · 👎 0
More Space Facts
Venus has a thick atmosphere that traps heat.
Fact #56 · Space
There are more stars in the universe than grains of sand on Earth.
Fact #1680 · Space
The Moon's surface temperature varies dramatically.
Fact #299 · Space
Solar flares originate from the Sun's surface.
Fact #287 · Space
The Earth's atmosphere gradually thins into outer space.
Fact #163 · Space
Saturn's rings are made primarily of ice particles and rocky debris.
Fact #17 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1850 · Space
The Earth's rotation is gradually slowing over time.
Fact #105 · Space
Want more facts?
We have over 11,491 facts across 15 categories.