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Dione (/ d aɪ ˈ oʊ n i /), also designated Saturn IV, is the fourth-largest moon of Saturn.With a mean diameter of 1,123 km and a density of about 1.48 g/cm 3, Dione is composed of an icy mantle and crust overlying a silicate rocky core, with rock and water ice roughly equal in mass.
Dione is the second-largest inner moon of Saturn. It has a higher density than the geologically dead Rhea, the largest inner moon, but lower than that of active Enceladus. [ 53 ] While the majority of Dione's surface is heavily cratered old terrain, this moon is also covered with an extensive network of troughs and lineaments, indicating that ...
This is a list of named geological features on Dione, a moon of Saturn. Dionean geological features are named after people and places in Roman mythology. Catenae
Dione Lucas (1909–1971), English chef and first female graduate of Le Cordon Bleu; Dee Dee Sharp (born Dione LaRue, 1945), American R&B singer; Dione Santos (born 1979), Brazilian footballer
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Evander is estimated to be relatively young; estimates range from 2 billion years down to as recently as under 1 billion years old. Surrounding Evander is an extensive ejecta blanket, and a significant portion of Dione's small (< 20 km) craters may be the result of debris blasted out from the impact event that created Evander. Evander is a ...
Moon landing deniers say there's clear photographic evidence of this, and point out that because there's no breeze on the moon, this must be fake. Apollo 11astronaut Edwin Buzz Aldrin, on the Moon ...
The mini-moon will be small — 33 feet long — and dim. NASA uses magnitude to describe brightness in space. A 6.5 magnitude is generally the dimmest object the human eye can see. The mini-moon ...