Roman aqueducts used gravity alone to transport water over hundreds of kilometers — some still function today.
Fact #5752
👍 0 · 👎 0
More Space Facts
Jupiter has a magnetic field stronger than Earth's.
Fact #173 · Space
Some galaxies contain supermassive black holes millions of times the Sun’s mass.
Fact #1605 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1929 · Space
The James Webb Space Telescope observes distant galaxies in infrared light.
Fact #1630 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1810 · Space
A sea star can regrow lost arms.
Fact #425 · Space
Mercury has no substantial atmosphere to trap heat.
Fact #249 · 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.