Diameter3.1 million m
19.5 millionKindle heights
2.2 millionBroom lengths
637,061Garage doors
Photo from Wikimedia Commons
Europa
Jupiter's ice-covered moon with a hidden ocean/Moons
Europa is one of Jupiter's four Galilean moons and is considered one of the most promising places to search for extraterrestrial life. Beneath its smooth icy surface lies a global saltwater ocean that may contain more than twice the water of all Earth's oceans combined. NASA's Europa Clipper mission launched in 2024 to study this intriguing world.
Measurements
Mass48 sextillion kg
132 trillionEmpire State Building masses
160 quintillionFull bathtubs
Mean orbital speed13,740 m/s
41,636Crawling babies
2.9 trillionHair growths
45.8 millionthsLight speeds
Surface temperature102 K
3.5 tenthsRoom temperatures
37.4Cosmic backgrounds
2.7 hundredthsWelding torches
Average, ranges from about 86 K to 132 K
Ice shell thickness15,000 m
1,250Telephone poles
13,123Golf drivers
468,750SD card lengths
Estimated 10-30 km
Mean distance from Jupiter671 million m
37.5 billionDime diameters
61 millionLondon double-decker buses