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Rheasilvia / ˌ r iː ə ˈ s ɪ l v i ə / is the largest impact crater on the asteroid Vesta. It is 505 km (314 mi) in diameter, which is 90% the diameter of Vesta itself, and is 95% the mean diameter of Vesta, 529 km (329 mi).
The most prominent of these surface features are two enormous impact basins, the 500-kilometre (311 mi)-wide Rheasilvia, centered near the south pole; and the 400 km (249 mi) wide Veneneia. The Rheasilvia impact basin is younger and overlies the Veneneia. [75] The Dawn science team named the younger, more prominent crater Rheasilvia, after the ...
Summit calderas are 60 x 80 km wide, up to 3.2 km deep; [25] scarp around margin is up to 8 km high. [27] A shield volcano, the mean flank slope is a modest 5.2 degrees. [24] Ascraeus Mons: 14.9 km (9.3 mi) [24] 0.44: volcanic: Tallest of the three Tharsis Montes: Elysium Mons: 12.6 km (7.8 mi) [24] 0.37: volcanic: Highest volcano in Elysium ...
Date/Time Thumbnail Dimensions User Comment; current: 21:09, 26 October 2011: 1,170 × 1,026 (198 KB): Kwamikagami (talk | contribs) {{Information |Description = Colorized shaded-relief map showing identification of older 375-kilometer-wide impact basin beneath more recent Rheasilvia impact structure.
Outline of Rheasilvia (top center), with Veneneia (bottom center) underlying it Veneneia / v ɛ n ɪ ˈ n iː ə / is the second-largest impact crater on asteroid 4 Vesta , at 52°S latitude. 395 kilometres (245 mi) [ 1 ] in diameter, it is 70% of the equatorial diameter of the asteroid, and one of the largest craters in the Solar System .
Feralia Planitia (/ f ə ˈ r eɪ l i ə p l ə ˈ n ɪ ʃ i ə /) is the third-largest known impact structure on the asteroid Vesta, after Rheasilvia and Veneneia.It is one of several old, degraded impact basins that predate the Rheasilvia basin that now dominates Vesta.
Rhea Silvia portrayed on a Sarcophagus. Rhea (or Rea) Silvia (Latin: [ˈreːa ˈsɪɫu̯ia]), also known as Ilia, [1] (as well as other names) [a] was the mythical mother of the twins Romulus and Remus, who founded the city of Rome.
Estimates of Divalia Fossae's age via crater counts agree with the age of the Rheasilvia basin, supporting a relationship between the two. [3] However, the troughs of Divalia Fossae are not truly concentric with respect to Rheasilvia's center. Furthermore, the northernmost of Divalia Fossae's troughs cross-cut sections of Rheasilvia's rim.