WebAccording to the IAU Planetary Gazetteer this crater is named for Harpalus (unkn-c. 460 B.C.), a Greek astronomer who made refinements to the luni-solar cycle in the time between Cleostratus and Meton. WebHarpalus was an ancient Greek astronomer (flourished during the 82nd Olympiad, c. 450 BC) who corrected the cycle of Cleostratus and invented the Nine Year Cycle. He may also have been the engineer Harpalus, who designed a pontoon bridge solution when Xerxes wished his army to cross the Hellespont. [1] The lunar crater Harpalus is named for him.
Geology of the Chang
WebHarpalus is a young lunar impact crater that lies on the Mare Frigoris, at the eastern edge of the Sinus Roris.To the southeast at the edge of the mare is the small crater Foucault, and to the northwest on the opposite edge is the walled plain named South. The rim of Harpalus is sharp-edged with little sign of wear or erosion. The wall is not perfectly circular, and … WebThe flash occurred between 8:52 and 8:53 UT on 19 November, near the NNE (Celestial) limb of the moon, likely between Harpalus Crater and the limb. Check your images/videos around this time to try to verify this impact event, which may have been a Geminid. rochester new york water
Harpalus crater The Planetary Society
WebAug 1, 2024 · The mare unit at the Chang'e-5 landing site is dated as ~1–2 Ga from crater counting studies, much younger than all basalts in the present lunar sample collection and among the youngest basalts Data availability WebThis yields the overall exotic components at the CE-5 landing site of ∼9%. Harpalus (∼6%), Copernicus (∼2%), and Aristarchus (∼1%) are the three most important source craters, agreeing with the map results (Fig. 1). Figure 1. Ejecta distribution of major source craters in the Northern Oceanus Procellarum. Discussion & Conclusion WebMoonrise and moonset time, Moon direction, and Moon phase in Fernandina Beach (32034) – USA for April 2024. When and where does the Moon rise and set? rochester new york to erie pa