Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1848
More Space Facts
Venus is sometimes called Earth's sister planet.
Fact #309 · Space
The Moon has no atmosphere like Earth's.
Fact #89 · Space
The Earth's orbit determines the length of the year.
Fact #318 · Space
Neutron stars are so dense that a single teaspoon would weigh billions of tons on Earth.
Fact #1947 · Space
Space is completely silent.
Fact #1689 · Space
Project Mercury was the first U.S. human spaceflight program.
Fact #1074 · Space
The Pioneer 10 spacecraft was the first to travel through the asteroid belt.
Fact #1023 · Space
Solar eclipses occur when the Moon blocks the Sun from Earth's view.
Fact #189 · Space
Want more facts?
We have over 11,491 facts across 15 categories.