Contains:  Solar system body or event
Mars, Bruce Rohrlach

Mars

Acquisition type: Lucky imaging
Mars, Bruce Rohrlach

Mars

Acquisition type: Lucky imaging

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Description

Two months today till opposition. This is Mars imaged last Saturday morning just after 3am from Phillip Island, Victoria. I am stoked to see Olympus Mons, the largest volcano in the Solar System, an extinct shield volcano that can be seen as a pimple near the upper right edge. With a diameter of around 600km Olympus Mons would just fit within France border-to-border E-W and from Paris south to Montpellier. Olympus Mons has a height of 25km, about 2 and a half times as high as Mt Everest. Because of the size of Olympus Mons and its shallow slopes, an observer standing on the Martian surface would be unable to view the entire profile of the volcano, even from a long distance since the curvature of the planet and the volcano itself would obscure such a synoptic view.

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Mars, Bruce Rohrlach