How Much Water Each Planet Has — Compared to Earth's Entire Ocean.

Added: 2026-04-29

[00:00:00]Earth's oceans, 332 million cubic miles of water.

[00:00:05]That's our baseline.

[00:00:07]>> [music] >> Mars has water.

[00:00:09]Almost all of it frozen and underground.

[00:00:12]About 5% of what Earth has.

[00:00:15]Europa, [music] Jupiter's moon, holds twice Earth's entire ocean under ice.

[00:00:22]Ganymede [music] holds 40 times more water than every ocean on Earth combined.

[00:00:29]The most water in the [music] solar system isn't on Earth. It never was.

[00:00:33]Like and subscribe.