The 500km diameter Rheasilvia impact basin on Vesta is unique not only because of its extent relative to Vesta’s size (525km diameter) but also because its center is located close to Vesta’s south pole at 75°S. So now I am confused and, like the scientists on the case, need more data. Rheasilvia possesses a central peak of 180km diameter and 20km height referenced to Rheasilvia… Images 0005756, 0005761, 0005755. Rheasilvia is believed to be an impact crater, and roughly measures approximately 505 kilometres in diameter. the central peak height is 0.5 km and the rim-to-rim diameter is ... called Rheasilvia. According to estimates, the central peak of the crater measures roughly 23 kilometres in height, making it the tallest mountain in the Solar System. The tallest mountain in our solar system is the Rheasilvia central peak on the asteroid Vestia with a height of about 23km. [ 2006 ], who investigated the structure of ridges and faults of the central peak of Upheaval Dome (Utah, USA) to infer an impact direction. This central peak is 180 km wide and up to 25 km high, which is almost as high as Olympus Mons on Mars [Russell et … Well, that … The central peak would scale well even (~ 500/130*5 km vs 15 km). Rheasilvia central peak, Vesta Approximately true color image of the south polar mountain in center of the crater Rheasilvia. [34] The VIR spectra of the central peak itself, obtained during LAMO, are consistent with howardite. Taken on August 20, 2011 from an altitude of 2713 kilometers and with a resolution of 258 meters per pixel. Rheasilvia possesses a central peak of 180 km diameter and 20 km height referenced to Rheasilvia's floor and partially overlaps an earlier, similarly large impact basin, Veneneia [Jaumann et al ., 2012; Schenk et al ., 2012; Russell et al ., 2012] (Figures 1a and 1b). Images 0005756, 0005761, 0005755. Most geologists classify a mountain as a landform that rises at least 1,000 feet (300 meters) or more above its surrounding area. In addition to potentially shallowed depths, the Dawn images revealed that Rheasilvia displays a central peak whose height matches and even exceeds the elevation of the surrounding terrain. 1 – Rheasilvia Central Peak, Vesta – Estimated Base-to-peak height: 22 km (14 mi) While there isn’t a whole lot of features on Rheasilvia it does have the largest crater in the Solar System and thus the tallest Mountain as well. [57] On Rheasilvia's central peak, an oblique impact might have been able to create curved scarps and ridges. The highest mountain in our Solar System is Rheasilvia Central Peak on the asteroid Vesta. Thus, it seems likely that Rheasilvia's central peak should contain significant projectile materials. But if I ask you highest planetary mountain in the Solar System, it will be Olympus Mons which is situated on the planet Mars. 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