The heliosphere protects the solar system from interstellar radiation.
Fact #1626
👍 0 · 👎 0
More Space Facts
Neptune is known for its deep blue color.
Fact #94 · Space
The Great Attractor is a gravitational anomaly influencing the motion of galaxies.
Fact #1596 · Space
The Earth's oceans cover more than 70% of the planet's surface.
Fact #220 · Space
A day on Mars is slightly longer than a day on Earth.
Fact #125 · Space
The Vostok 1 mission marked the first human spaceflight.
Fact #1024 · Space
Some metals such as mercury are liquid at room temperature.
Fact #106 · Space
Time moves slower in stronger gravitational fields.
Fact #1821 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1950 · Space
Want more facts?
We have over 11,491 facts across 16 categories.