Every year, the Moon moves about 3.8 centimeters further away from Earth.

Rogue planets drift through space without orbiting a star.

Fact #1609 · Space

There are more trees than stars in our galaxy.

Fact #1703 · Space

Black holes can slow time so much that seconds near them equal years far away.

Fact #1929 · Space

Project Mercury was the first U.S. human spaceflight program.

Fact #1074 · Space

Time moves slower in stronger gravitational fields.

Fact #1821 · Space

The observable universe is about 93 billion light‑years wide.

Fact #1865 · Space

Comets orbit the Sun in elongated paths.

Fact #75 · Space

There are rogue planets drifting through space with no star at all.

Fact #1951 · Space