This sweeping view by ESA’s Mars Express extends from the planet’s south polar ice cap and across its cratered highlands to the Hellas Basin (top left) and beyond. - Credit: ESA/DLR/FU Berlin, CC BY-SA IGO
15 Things You Don't Know About Outer Space (Infographic). The Saturn one is not strictly true, even if there were a water body large enough for a planet to float in. Let's just say that Saturn's overall density is less than that of liquid water on Earth.
Scientists have used Chandra to make a detailed study of an enormous halo of hot gas enveloping two large, colliding galaxies. This unusually large reservoir of gas contains as much mass as 10 billion Suns, spans about light years,.
All Of Earth's Water In A Single Sphere This picture shows the size of a sphere that would contain all of Earth's water in comparison to the size of the Earth. The diameter would be roughly the distance from Salt Lake City, Utah to Topeka, Kansas.