10 Facts About Space That Will Blow Your Mind

1. Space is completely silent: No air, no sound — total silence.

2. A day on Venus is longer than its year: One Venus day = 243 Earth days.

3. Neutron stars spin insanely fast: Up to 600–700 times per second!

4. More stars exist than grains of sand on Earth: Over 1 septillion stars in the universe.

5. A teaspoon of neutron star matter weighs a billion tons: Unimaginably dense!

6. The tallest volcano is on Mars: Olympus Mons is 3× taller than Everest.

7. One NASA spacesuit costs $12 million: More expensive than a jet!

8. All planets can fit between Earth and the Moon: Yes — the distance is that huge.

9. A planet made of diamonds exists: 55 Cancri e may be one-third pure diamond.

10. The universe is expanding faster than light: We can never see its farthest galaxies.