Venus has the longest day of any planet in the solar system.
Fact #263
👍 0 · 👎 0
More Space Facts
Some stars appear to dim irregularly for reasons that are still studied.
Fact #1599 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1793 · Space
In 1859, the Carrington Event caused powerful solar storms that disrupted telegraph systems.
Fact #640 · Space
Project Mercury was the first U.S. human spaceflight program.
Fact #1074 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1729 · Space
Time moves slower in stronger gravitational fields.
Fact #1821 · Space
The universe is expanding faster.
Fact #1708 · Space
Neptune is known for its deep blue color.
Fact #94 · Space
Want more facts?
We have over 11,491 facts across 16 categories.