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Mare Cognitum

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228: 1163: 282:. The Copernicus ejecta sampled suggested that the Copernicus impact occurred about 800 million years ago, but geologists believe the results of this analysis are inconclusive. The Apollo 12 astronauts also noted the existence of small, shallow elongated depressions ("trenches" or "grooves") similar to those the 301:
in the Apollo 12 rocks) and to have fewer craters overall than Tranquility Base; because of this, geologists suspected the site chosen for Apollo 12 contained younger rocks than those of the Apollo 11 site, and this was confirmed by the samples returned by Apollo 12. These samples consisted of more
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than the Apollo 11 samples and the basalts are about 500 million years younger than those from Tranquility base, the latter of which geologists estimate to be about 3.6 to 3.8 billion years old. The differing ages of the basalts collected on Apollo 11 and Apollo 12 demonstrate that the volcanic
27: 294:; Shoemaker et al. preliminarily concluded in 1970 that these features reflected the direction and location of fractures in the underlying bedrock, into which fine-grained material settled, thereby creating the grooves. 267:'s capability of precise lunar landings. The location also provided a relatively smooth Mare surface and a proximity to the lunar equator, thus ensuring relative ease of access from the standpoint of fuel consumption. 157:
mountain range, part of the rim of the buried crater or basin containing the mare. Previously unnamed, the mare received its name in 1964 in reference to its selection as the target for the successful
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Overall, Statio Cognitum and the surrounding area appears to have a slightly more red coloration from lunar orbit than Tranquility Base (which geologists later found to be the result of less
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and present at the bottoms of shallow craters at the site, as well as lighter-colored regolith material that geologists later determined to be
227: 568: 1182: 954: 44: 1256: 1792: 1740: 1135: 1130: 1851: 1601: 1936: 1709: 947: 263:, which had been on the Moon since 1967. Named "Statio Cognitum" the site's closeness to its intended target demonstrated 1755: 1750: 1623: 1075: 1883: 1873: 1596: 1197: 315:
did not occur all at once across the lunar surface, but rather took place at different times at different locations.
239:, and other equipment and local craters are labeled (click to enlarge). The astronauts' footprints are still visible. 1978: 1777: 1693: 1591: 1719: 1162: 1114: 928: 561: 279: 37: 1973: 1549: 1107: 367:"Ages and stratigraphy of mare basalts in Oceanus Procellarum, Mare Nubium, Mare Cognitum, and Mare Insularum" 1611: 1606: 1565: 1102: 1068: 435: 1931: 1841: 1782: 1656: 1218: 470: 1586: 324: 1268: 1192: 793: 702: 554: 378: 1760: 1018: 528: 1714: 1503: 1261: 1251: 1187: 1030: 1006: 591: 256: 232: 212: 150: 1831: 1042: 1988: 1983: 1856: 1573: 1455: 748: 637: 396: 291: 1649: 905: 849: 798: 753: 627: 165: 1915: 1993: 1863: 1766: 1581: 1488: 1468: 982: 910: 854: 783: 687: 667: 386: 287: 102: 414: 1846: 1825: 1787: 889: 803: 768: 738: 180: 154: 1836: 382: 1091: 970: 813: 773: 763: 728: 682: 657: 1967: 1430: 1425: 1420: 1415: 1410: 1213: 874: 864: 839: 818: 743: 733: 672: 662: 632: 612: 188: 177: 146: 203:
lunar probe impacted Mare Cognitum at the conclusion of its picture-taking mission.
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Geologically, the astronauts noted the amount of glass contained in the
307: 1893: 1661: 1522: 1517: 1512: 1435: 1306: 1301: 1296: 1291: 448: 303: 275: 184: 86: 1493: 1483: 1478: 1473: 497:"Preliminary Geologic Investigation of the Apollo 12 Landing Site" 226: 1060: 1868: 264: 164:, the first American spacecraft to return closeup images of the 1064: 943: 550: 31:
Mare Cognitum. Fra Mauro is the gray region in the upper right.
546: 126: 111: 120: 114: 117: 108: 123: 1924: 1882: 1817: 1801: 1733: 1702: 1686: 1632: 1558: 1535: 1502: 1454: 1401: 1330: 1284: 1277: 1244: 1206: 1170: 1123: 898: 832: 721: 600: 584: 211:landed near its northern shore. The outcrop of the 129: 105: 85: 75: 36: 1942:Third-party evidence for Apollo Moon landings 1076: 955: 562: 8: 1954:Symbol indicates failure or partial failure 219:landed, is also located near Mare Cognitum. 19: 342: 340: 1281: 1161: 1083: 1069: 1061: 962: 948: 940: 569: 555: 547: 25: 449:"Pinpoint Landing on the Ocean of Storms" 417:. NASA's Solar System Exploration website 390: 141:, the "Sea that has Become Known") is a 336: 91:Sea That Has Become Known, or Known Sea 523: 521: 495:Shoemaker, E. M.; et al. (1970). 436:"Apollo 12 Preliminary Science Report" 153:. To the northwest of the mare is the 18: 490: 488: 354:. USGS Astrogeology Research Program. 7: 1639: 1617:50th Anniversary commemorative coins 994: 504:Apollo 12 Preliminary Science Report 438:, NASA Special Publication 235, 1970 231:Aerial view of Statio Cognitum; the 365:Hiesinger, H.; et al. (2003). 352:Gazetteer of Planetary Nomenclature 14: 529:"Apollo 12 Lunar Sample Overview" 471:"Apollo 12 Landing Site Overview" 243:On November 19, 1969, astronauts 149:which sits in the second ring of 101: 1869:Apollo Lunar Sounder Experiment 531:. Lunar and Planetary Institute 473:. Lunar and Planetary Institute 371:Journal of Geophysical Research 1694:"Houston, we've had a problem" 1183:Cape Kennedy Air Force Station 1: 1937:Stolen and missing Moon rocks 1710:Modular Equipment Transporter 176:The basin material is of the 145:located in a basin or large 81:350 kilometers (220 mi) 1874:Fe, Fi, Fo, Fum, and Phooey 1198:Manned Space Flight Network 259:within walking distance of 2010: 1257:Command and Service Module 1159: 451:. Arizona State University 1950: 1115:List of Apollo astronauts 1098: 978: 929:List of maria on the Moon 924: 311:activity that formed the 24: 187:mare material is of the 286:astronauts observed at 1932:Lunar orbit rendezvous 1793:Postal covers incident 1783:Hadley Rille meteorite 1657:Bench Crater meteorite 1178:Mission Control Center 240: 1602:Lunar sample displays 325:Volcanism on the Moon 230: 1852:Lunar sample display 1842:Nansen-Apollo crater 1269:Lunar Roving Vehicle 1245:Spacecraft and rover 1193:Kennedy Space Center 392:10.1029/2002JE001985 183:, while most of the 1715:Fra Mauro formation 1676:Streptococcus mitis 1188:Crawler-transporter 1031:Descartes Highlands 1007:Fra Mauro formation 973:lunar landing sites 383:2003JGRE..108.5065H 213:Fra Mauro formation 151:Oceanus Procellarum 56: /  21: 16:Feature on the moon 1857:Lunar basalt 70017 1818:Apollo 17 specific 1802:Apollo 16 specific 1734:Apollo 15 specific 1703:Apollo 14 specific 1687:Apollo 13 specific 1633:Apollo 12 specific 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Retrieved 409: 377:(E7): 5065. 374: 370: 360: 351: 296: 269: 257:Lunar Module 242: 233:Lunar Module 198: 175: 159:impact probe 138: 97: 96: 65:-10.5; -22.3 1887:capsule use 1884:Post-Apollo 1778:Great Scott 1678:on the Moon 1674:Reports of 1668:Moon Museum 1456:Abort tests 1404:development 906:Epidemiarum 850:Asperitatis 799:Solitudinis 754:Felicitatis 688:Serenitatis 668:Moscoviense 592:Procellarum 578:Lunar maria 535:22 December 510:22 December 477:22 December 455:22 December 245:Pete Conrad 195:Exploration 63: / 38:Coordinates 1968:Categories 1720:Big Bertha 1645:Surveyor 3 911:Putredinis 855:Concordiae 784:Oblivionis 415:"Ranger 7" 331:References 313:lunar mare 306:and fewer 261:Surveyor 3 237:Surveyor 3 205:Surveyor 3 143:lunar mare 1989:Apollo 14 1984:Apollo 12 1809:Big Muley 1725:Moon tree 1544:Earthrise 1393:Apollo 17 1388:Apollo 16 1383:Apollo 15 1378:Apollo 14 1373:Apollo 13 1368:Apollo 12 1363:Apollo 11 1358:Apollo 10 1229:Saturn IB 1048:Apollo 17 1036:Apollo 16 1024:Apollo 15 1012:Apollo 14 1000:Apollo 12 988:Apollo 11 890:Successus 804:Somniorum 769:Lenitatis 739:Bonitatis 683:Orientale 658:Insularum 506:: 113–156 284:Apollo 11 253:Apollo 12 249:Alan Bean 217:Apollo 14 209:Apollo 12 1568:Columbia 1446:Apollo 6 1441:Apollo 4 1353:Apollo 9 1348:Apollo 8 1343:Apollo 7 1338:Apollo 1 1322:Apollo 6 1317:Apollo 5 1312:Apollo 4 1285:Uncrewed 1234:Saturn V 1224:Saturn I 814:Temporis 774:Luxuriae 764:Hiemalis 729:Aestatis 673:Nectaris 663:Marginis 633:Frigoris 618:Cognitum 613:Australe 319:See also 308:breccias 299:titanium 272:regolith 215:, where 201:Ranger 7 185:basaltic 162:Ranger 7 139:cognitum 77:Diameter 1994:Imbrian 1925:Related 1741:Journey 1506:flights 1504:Pegasus 1278:Flights 899:Paludes 875:Lunicus 865:Honoris 840:Aestuum 819:Timoris 744:Doloris 734:Autumni 713:Vaporum 708:Undarum 698:Spumans 693:Smythii 653:Ingenii 648:Imbrium 643:Humorum 623:Crisium 585:Oceanus 401:9570915 379:Bibcode 304:basalts 290:in the 251:landed 191:epoch. 137:(Latin 51:22°18′W 48:10°30′S 1894:Skylab 1662:J002E3 1523:AS-105 1518:AS-104 1513:AS-103 1436:AS-203 1402:Saturn 1331:Crewed 1307:AS-202 1302:AS-201 1297:AS-102 1292:AS-101 1219:Saturn 971:Apollo 870:Iridum 845:Amoris 779:Mortis 759:Gaudii 678:Nubium 608:Anguis 421:1 June 399:  276:ejecta 172:Origin 147:crater 87:Eponym 1576:Eagle 1494:A-004 1484:A-003 1479:A-002 1474:A-001 916:Somni 885:Roris 880:Medii 860:Fidei 833:Sinus 824:Veris 722:Lacus 500:(PDF) 397:S2CID 278:from 181:epoch 1431:SA-5 1426:SA-4 1421:SA-3 1416:SA-2 809:Spei 789:Odii 601:Mare 537:2017 512:2017 479:2017 457:2017 423:2023 265:NASA 247:and 207:and 199:The 1464:QTV 387:doi 375:108 255:'s 1970:: 520:^ 502:. 487:^ 395:. 385:. 373:. 369:. 350:. 339:^ 168:. 1909:4 1904:3 1899:2 1151:B 1146:A 1084:e 1077:t 1070:v 1050:) 1046:( 1038:) 1034:( 1026:) 1022:( 1014:) 1010:( 1002:) 998:( 990:) 986:( 963:e 956:t 949:v 570:e 563:t 556:v 539:. 514:. 481:. 459:. 425:. 403:. 389:: 381:: 133:/ 130:m 127:ə 124:t 121:ɪ 118:n 115:ɡ 112:ɒ 109:k 106:ˈ 103:/

Index


Coordinates
10°30′S 22°18′W / 10.5°S 22.3°W / -10.5; -22.3
Diameter
Eponym
/ˈkɒɡnɪtəm/
lunar mare
crater
Oceanus Procellarum
Montes Riphaeus
impact probe
Ranger 7
Moon's surface
Pre-Nectarian
epoch
basaltic
Upper Imbrian
Ranger 7
Surveyor 3
Apollo 12
Fra Mauro formation
Apollo 14

Lunar Module
Surveyor 3
Pete Conrad
Alan Bean
Apollo 12
Lunar Module
Surveyor 3

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