| 词条 | Pasteur (Martian crater) | |
| 释义 |
| titlecolor = #FA8072 | title = Pasteur | image = PasteurMartianCrater.jpg | caption = Location of Pasteur Crater | region = Arabia quadrangle | coordinate_title = Coordinates | globe = Mars | coordinates = {{coord|19.4|N|335.5|W|globe:mars_type:landmark|display=inline,title}} | diameter = 116.15 km | eponym = Louis Pasteur }}Pasteur Crater is a crater in the Arabia quadrangle of Mars, located at 19.4° north latitude and 335.5° west longitude. It is approximately {{convert|116|km|0}} in diameter and was named after renowned French chemist and microbiologist Louis Pasteur.[1] DescriptionDark sand dunes are clustered in the southwest of the crater. The orientation of the barchan dunes suggest that they were generated by northeasterly winds. The source of the dune's sand appears to be local. Upwind of the dunes there is a small crater, Euphrates, within Pasteur crater that may have excavated sediments. The dark sediments have formed a patch at Euphrates' base. HiRISE imagery of the intracrater dunes within Pasteur crater over 1 martian year indicate that the dunes are active with sand movement in a southwesterly direction.[2] GalleryReferences1. ^{{cite web|title=Gazetteer of Planetary Nomenclature {{!}} Pasteur|url=http://planetarynames.wr.usgs.gov/Feature/4605|website=usgs.gov|publisher=International Astronomical Union|accessdate=4 March 2015}} 2. ^{{cite web|last=Geissler|first=P. E.|title=Shifting Sands on Mars: 3 Case Studies|url=http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2537.pdf|work=42nd Lunar and Planetary Science Conference|publisher=Lunar and Planetary Institute|author2=Stantzos, N. W.|author3=Bridges, N. T.|author4=Hirise Science Team|date=March 2011}} See also
2 : Arabia quadrangle|Impact craters on Mars |
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