The onboard lunar penetrating radar conducted a 114-m-long profile, which measured a thickness of ∼5 m of the lunar regolith layer and detectedthreeunderlying basalt units at depths of 195, 215. The Moon Introduction. The paler areas are the lunar highlands, and the darker areas are the lunar 'seas' or maria (singular: mare). Montes Carpatus is marked "M". Such samples are important to understand the formation and evolution of the Procellarum KREEP. I. (a)This photo of Mt. Download :. Stories of the Moon Apollo: The Epic Journey to the Moon. They were dubbed maria (Latin for 'seas') by. 5 in (130. The shock of the Imbrium impact melted many rocks. Bliss is small lunar impact crater that is located just to the west of the dark-floored crater Plato. 9 Lunar Maria. It is surrounded from the northeast to the southwest by the Montes Jura range. Mare volcanism was most pronounced about 3. hundreds of meteoroid impacts (WEBP) . We already have an answer for a similar question which you can see here: Which of these is an incorrect description of "Mare Imbrium" on the moon? If you have more answers to add you can do that below. Introduction. 7 mt When you search for Mare Imbrium on Google Earth it will take you to a nice, round,. Herschel in her honor. The Imbrium impact basin is one of the largest mares filled by abundant maria basalts and serves as a record of the long-term volcanic history of the Moon, from Imbrian to Eratosthenian (Hiesinger et al. This. Constraining mare volcanic history therefore provides a window into theDescription Moon (M. This man should be the lady's lover. This image shows details of the Apennine Mountains along the southeastern rim of Mare Imbrium. The formation ages of tectonic structures and their spatial distributions were studied in the northwestern Imbrium and Sinus Iridum regions using images obtained by Terrain Camera and Multiband Imager on board the SELENE spacecraft and the images obtained by Narrow Angle Camera on board LRO. Hiesingerd a European Space and Technology Centre, Noordwijk, Netherlands b Leiden Observatory, Leiden University, Netherlands c Planetary Science Institute, Tucson, Arizona, USA d. Here we map volcanic units in Mare Imbrium using high-resolution (200 m/pixel), Earth-based P band data. An excellent description of the basins on the near side of the Moon is that of Hartmann and Kuiper (1962). Furthermore, Chang’E-3 (CE-3) landed at north Mare Imbrium (340. 2 Ga, therefore, providing insights into the thermal and volcanic history of the Moon. Which of these is not a natural resource? Clothing Mare Imbrium / ˈɪmbriəm / ( Latin imbrium, the " Sea of Showers " or " Sea of Rains ", "Sea of Tears") is a vast lava plain within the Imbrium Basin on the Moon and is one of the larger craters in the Solar System. Imbrium. A detailed description of the image processing of the Lunar Orbiter data is given by Gaddis et al. This pattern was coined the Imbrium Sculpture 1, and it was originally argued that it must have. The landing site selected for Apollo 17 was in the Taurus-Littrow Valley on the eastern rim of Mare Serenitatis. et al. , 2000, Morota et al. The structure of the regolith and those underneath young periods (Eratosthenian) and old periods (Imbrian). The term, which in Latin means “sea,” was erroneously applied to such features by telescopic observers of the 17th century. It is located on the northeastern shore of the Mare Imbrium, at the western extremity of the Montes Alpes mountain range. The Moon is a key location for studying the geological evolution of planetary impact basins. The lunar maria (/ ˈ m ɑːr i. is incorrect. About 17% of the Moon’s surface consists of the maria—flat plains of basaltic lava. 5), not of the lithosphere - the base of which is quoted as 'about 1000 km' in the same section. Scientists estimate the depth to be a bit over 328 feet (100 meters), with width which ranging from 328 to 377 feet (100 to 115 meters) across. 3 billion years ago, several hundred million years after the impact that created Imbrium. Figure 3: Lunar Mountain and Lunar Maria. There ap- * pears, then, to be a continuous series of landforms between Copernicus and the largest mare basins, implying at least some similarity of origin. This week we will highlight Mare Imbrium, viewable throughout the week. D. Look carefully at the image of the near side of the Moon and the map of the moon on your table. Mare Frigoris. In the center of the image is the rough terrain of the Apennines backslope, composed of material ejected when the Imbrium Basin formed. " This dark patch on the northwest quadrant on the near side of moon, the side that faces Earth, makes. , The ages of the rock returned by astronauts from the Moon reveal the history of its surface. m. The term lunar maria means ‘sea on the Moon’. English: Original description: Southward looking oblique view of Mare Imbrium and Copernicus crater on the Moon. com. The landing site of the Apollo 14 mission in the Fra Mauro region. Solved Answer of MCQ Which of these is an incorrect description of the “Mare Imbrium” on the moon? - (a) It contains a certain amount of sedimentary water - (b) - (c) - (d) -. 7. Messier is a markedly oval crater that. Scientists have found fresh evidence in lunar rocks showing that the moon was likely formed after a Mars-sized planet crashed into the proto-Earth more than 4 billion years ago. Regions contaminated by highland ejecta, lunar swirls, and the low-TiO2 maria (e. Basalt sample returned from the Moon by Apollo 15 astronauts in 1971. The man in the moon is primarily a European tradition, with the man's eyes formed by the Mare Imbrium and the Mare Serenitatis; his wide-open mouth is formed by the Mare Nubium. Considering its flat topography, Sinus Iridum has been selected as one of the important candidate landing areas for the future Chinese robotic and human exploration missions, e. This crater is bowl-shaped, with a small interior floor at the midpoint and a somewhat eroded outer rim. Plato is a lava-filled lunar impact crater on the Moon. At a nomenclature meeting Hal Masursky said, "Well, there can only be one ocean on the moon" ( Oceanus Procellarum ). The centre lies roughly between the two crater Kepler and Encke (on the west) and Sinus Aestuum (on the east). Sea of Rains (Mare Imbrium): This is one of the larger maria, but it is not quite an ocean. As the development of space exploration technology, lunar gravity data has advantages of high accuracy and resolution, which can be used to invert the lunar crust and upper mantle. The extent of the cratered highlands on the far side is very apparent. 6 W. English: Mare Imbrium on the Moon. Sinus Iridum is his ear. Mare Imbrium, Latin for “sea of showers,” is the name of a huge crater on the moon caused by a meteor hitting the lunar surface some 3. Other authors, however, have. 4884°E). Here we report the composition of soil along the rim of a 450-m diameter fresh. 1 inches) long and is representative of the mare lavas that filled the basin 3. Mare Imbrium /ˈɪmbriəm/ (Latin imbrium, the "Sea of Showers" or "Sea of Rains", "Sea of Tears") is a vast lava plain within the Imbrium Basin on the Moon and is one of the larger craters in the Solar System. Kepler. Four anomalies in the Imbrium antipode (northwest SPA) group centered on Mare Ingenii have smoothed amplitudes exceeding 8 nT. (Mare Imbrium) —Sea of Rains (Mare Imbrium) — Imbrium Basin, one of the largest impact basins on the Moon, formed when a huge impactor hit the lunar surface a little more than 3. The shock of the Imbrium impact melted many rocks. : Mare Imbrium. All structured data from the main, Property, Lexeme, and EntitySchema namespaces is available under the Creative Commons CC0 License; text in the other namespaces is available under the Creative Commons Attribution-ShareAlike License;. 830 000 km 2, it is – after Oceanus Procellarum – the second largest mare area on the Moon. The Lunar Orbiter image has been subjected to a fast Fourier transformation in order to remove the stripes and has been map-projected. It extends from the eastern shore of Mare Serenitatis, 600 km from the rim of Imbrium, into the highlands north of Crisium basin (Figures 2 and 3), up to 1000 km from the Imbrium rim, a radial extent of Imbrium deposits is comparable to that recognized in the central highlands (e. Seleucus. Historically, the principal concern of selenographists was the mapping and naming of the lunar terrane. Team Moon: How 400,000 People Landed Apollo 11 on the Moon Earth and the Moon. The structure of the regolith and those underneath young periods (Eratosthenian) and old periods (Imbrian). The maria, which appear as mottled gray areas on the moon's white. The lunar phase is full moon or, maybe, waxing gibbous moon just before full moon. However, we know today that these dark gray zones are formed from iron-rich basalts produced in volcanic eruptions. with Mare Serenitatis off the image on their right and Mare Imbrium on their left. Rimmed grooves, lineations and elongate craters around Mare Imbrium shape much of the nearside Moon. It forms the western terminus of the Montes Apenninus mountain range. The ejecta blanket. The tech-141Mapping lunar mare basalt units in mare Imbrium as observed with the Moon Mineralogy Mapper (M³) F. The basin is surrounded by grooves and gashes, large enough to be seen with even small telescopes from Earth, created by rocks blasted out of the crater when it was formed. The following images illustrate three features from the surface of Mercury: (1) a large impact basin that is similar to Mare Imbrium on the Moon, (2) the highlands of Mercury, (3) and an example of a large geological fault. 58. With an area of c. The suggestion as adopted. Impact basins are primary geological structures on the Moon, and play key roles in revealing the lunar history. Prior missions had explored the Moon’s early volcanic. 85 Ga (Ryder, 1992,. Stratigraphic units and structures peripheral to the basin and rela ted to it domina te the terra of the quadrangle, and one of the maria, S inus Medii, is in a trou g h that is concentric with the basin. Features: This is an image Moon map with labels. There, Apollo 14 had the objective of sampling ejecta from the Imbrium impact to gain insight into the Moon's geologic history. It was the first J mission, with a longer stay on the Moon and a greater focus on science than earlier landings. Mare Imbrium. View from Apollo 8. Remote sensing studies have also suggested that some mare basalts in Oceanus Procellarum and Mare Imbrium (Figure 1 a) are significantly younger than returned samples, although the ages and spatial distribution of the latest eruptions are poorly constrained. Plato is a lava-filled lunar impact crater on the Moon. y. the giant Imbrium Basin (Mare Imbrium) to the north—the largest impact basin (mare) on the Moon’s near side. This month’s full. : You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. To the west of these mountains is a narrow gap where Mare Imbrium in the north. The oldest ages for returned lunar mare basalts are from Apollo 14 breccias; aluminous low-Ti basaltic clasts in these breccias range in age from 3. Which of the above was the site where the first humans walked on the moon (Apollo 11 Mission:. It is named after ancient Greek astronomer Eratosthenes of Cyrene, [1] who estimated the circumference of the Earth, and the. Rimmed grooves, lineations and elongate craters around Mare Imbrium shape much of the nearside Moon. Artwork Description. y. 2 ). 57. The Imbrium basin is one of the most prominent geologic units on the lunar nearside, and also significant exploration target for soft-landing missions. There are hundreds of thousands of moon craters ranging from less than a mile across to giant basins called mare, which were once thought to be seas. , the Apollo and Luna landing sites [e. He who rides the chariot of the moon across the darkened heavens over Midgard. 9 billion years ago when an asteroid 60 miles in diameter slammed into the Moon at 10 miles per. Business, Economics, and Finance. Scientists already knew a huge space rock created the right eye of the fabled "man in the moon" -- actually a crater known as the "Mare Imbrium," Latin for "sea of showers" -- but they had no idea. Apollo 17 was the sixth and final Apollo mission to land on the Moon. Such samples are important to understand the formation and evolution of the Procellarum KREEP. D. Employing the. The lunar maria are the product of extensive basaltic volcanism that flooded widespread portions of the Moon's surface. Bliss is small lunar impact crater that is located just to the west of the dark-floored crater Plato. The Earth, the Moon, and the other planets are the targets of a continuing bombardment of asteroids and comets from outer space. 8 billion years. The highest TiO 2 values were found in Mare Tranquillitatis (∼12. These features, known as the. The Moon showing Mare Imbrium Another of the primary goals of the Apollo 15 mission was an examination of Hadley Rille, a channel-like depression in the lunar surface. C. Historically, the principal concern of selenographists was the mapping and naming of the lunar terrane. The Apennine Mountains, part of the Imbrium basin rim, was the landing site for the 1971. The image has the same borders and resolution as a. My last shot from June 8th is of Mare Imbrium, the Sea of Rains. The Hills of Mare Imbrium. Mare Insularum covers an area of about 900 km in diameter. New analysis of zircon grains in one lunar sample. It smashed into the lunar surface about 3. Chang’E-3 (CE-3) landed at 340. The mountains at the edge of Mare Imbrium are the Montes Carpatus. The dark basalt rock, collected near Hadley Rille on the edge of the Imbrium Basin (Mare Imbrium), is about 13 cm (5. Dark-floored, 95 kilometer wide crater Plato is just left of the center. Description. The Chang'e-3 spacecraft, which landed on the northern Mare Imbrium on the near side of the Moon, was equipped with lunar penetrating radar (LPR) on the Yutu rover and detected subsurface structures around the landing site. The mare material within the basin consists of basalt formed in the. of the Moon have been computed, after application The name Mare Insularum refers to the many islands of terra material in the mare. The Apollo 15 landing site is by far one of the most interesting that you can find on the surface of the Moon. C. Moon craters are bowl-shaped landforms created by two processes: volcanism and cratering. To find Hadley Rille, look for the crater Archimedes in Mare Imbrium “the Sea of Shadows”. NASA’s Lucy spacecraft captured this image of the Moon’s surface on Oct 16, 2022, about 8 hours after it flew by the Earth for its first of three gravity assists. Thiessena,b, S. Sinus Iridum. (Image credit: Srbauer/NASA/Robert Lea) Previous estimates had placed the age of the asteroid impact at around 3. which indicates an extremely long period of volcanic activity in these two basins. The story of a. 1 / 15. As an example, the age of the Imbrium Basin, filled with the ‘lunar sea’, the Mare Imbrium (visible in the top left of the Moon), which was probably created by the collision of an asteroid. Beyond it near the horizon at the left is Sinus Medii, the smooth dark- surfaced area that lies at the center of the Moon when seen from Earth. The picture at left shows the globe of the Moon rotated, putting Mare Imbrium on the eastern limb and moving the Orientale Basin almost to the center. 3 b. It overlaps the end of the Late Heavy. On December 14, 2013, Chang’e-3 successfully landed on the young and high-Ti lava flow in the northeastern Mare Imbrium. Copernicus crater is seen almost edge-on near the horizon at the center. Basaltic lava later flooded the giant crater to form the. As per Security Regulation MIA32 1, all images of the Mare Imbrium region are altered to remove the presence of Lunar Area-32 and anomalous phenomena. It was proposed that three stages of Eratosthenian mare (Em) basalts erupted from Euler crater. CST on December 6, 1972, the only night launch of the Apollo program. 'Ocean of Storms') is a vast lunar mare on the western edge of the near side of the Moon. Bliss (crater) / 53. 8N 15. Explanation: Lighter than typically dark, smooth, mare the Mare Frigoris lies in the far lunar north. Staidc, H. This was the first soft landing on the Moon since the Soviet Union’s Luna 24 mission in 1976 and is a new landing site in the north part of the Mare Imbrium (fig. : Mare Imbrium. 12°N), a region not directly sampled before. A spectacular high sun view of a pit crater in Mare Tranquillitatis as seen by the Lunar Reconnaissance Orbiter, revealing boulders on an otherwise smooth floor. com. 5. Introduction. N. Place M’s on the worksheet at the center of the major maria. There is also an area of enriched thorium on the farside, within the. Basalt sample returned from the Moon by Apollo 15 astronauts in 1971. 6 b. China thus became the first country to land a probe on the Moon after the Soviet Union and the United States , and. We performed new crater size-frequency distribution measurements in order to investigate the stratigraphy of mare. Mare Serenitatis / s ɪ ˌ r ɛ n ɪ ˈ t eɪ t ɪ s / (Latin serēnitātis, the "Sea of Serenity") is a lunar mare located to the east of Mare Imbrium on the Moon. along the. 49°E, 44. Caloris Basin Hills. Obique view looking west of Alpine Valley and Mare Imbrium on the Moon taken by Lunar Orbiter 5. Only the buildings on this level are visible on the lunar surface - Sub-Levels 1 and onward are all concealed beneath the surface of Mare Imbrium. W. 9W 513. Description: SCP-2686 is an adult male human, estimated to be approximately 75 years of age, currently located at [REDACTED] within Mare Imbrium on the lunar surface. It is the first location on another celestial body to be visited by humans. The SCP Foundation Specialised Lunar Containment and Research Area, better known as Lunar Area-32 and identified as LMaImb-Area-32, is an SCP Foundation facility located. Mare, any flat, dark plain of lower elevation on the Moon. The diameter of Archimedes is the largest of any crater on the Mare Imbrium. A NASA-led team. 53b. Mare Serenitatis is located within the Serenitatis basin, which is of the Nectarian epoch. Many young wrinkle ridges were found inside Mare Imbrium using Lunar Reconnaissance Orbiter Camera (LROC) Narrow Angle Camera (NAC) high-resolution images. 3 mt Mare Serenitatis 740 km Rocky 40 km/s 1145 km 2. It extends 166 kilometres from Mare Imbrium, trending north-east to the edge of the Mare Frigoris (Sea of Cold). The other large basins that dominate the lunar near side (such as Mare Crisium, Mare Tranquillitatis, Mare Serenitatis, and. However, geological mapping indicates that it is intermediate in age between the Imbrium and Nectaris Basins, suggesting an age of about 3. The Apennine Mountains were pushed up by the Imbrium basin impact. To prove him wrong, I suggested that a large expanse with a lot of terra islands be named Oceanus Insularum. 6 Mare Fecunditatus | Oceanus Procellarum 3_Mare Imbrium 8_Mare Nubium 6. Information of other lava flows in Mare Imbrium was obtained only by remote sensing from orbit. The origin of the Moon's craters as impact features became widely accepted only in the 1960s. Lambert is a lunar impact crater on the southern half of the Mare Imbrium basin. Note the old fractured terrain at the right and smoother textured and ridged mare terrain at center. Archimedes crater is the largest formation on Mare Imbrium. Mare Crisium is a lunar mare locatedLunar mare basalts represent flood volcanism between ~4. During. 0 Unported license. This valley was discovered in 1727 by Francesco Bianchini. Mare Frigoris / f r ɪ ˈ ɡ ɔːr ɪ s / (Latin frīgōris, the "Sea of Cold") is a lunar mare in the far north of the Moon. This pattern was coined the Imbrium Sculpture 1,. This forms the circular Mare Imbrium (left image). The Sinus Iridum basin (latitude 45° North. Mare Imbrium ( latim: "Mar de Chuvas") é um vasto mare lunar, criado quando uma grande quantidade de lava encheu a gigantesca cratera formada na região da Lua onde se encontra, após o impacto de um objeto celeste com esta superfície há milhões de anos. 5 to 2. Mare is the type example of a secondary basaltic crust derived by the partial melting of mantle reservoirs. ,. We report the surface exploration by the lunar rover Yutu that landed on the young lava flow in the northeastern part of the Mare Imbrium, which is the largest basin on the nearside of the Moon and is filled with several basalt units estimated to date from 3. The Latin word for it is Mare Crisium. 1 - 3. Moon, the meandering lines outline maria and highlands. 8 billion years ago. Study with Quizlet and memorize flashcards containing terms like What is the diameter of the moon compared with the diameter of the Earth?, What is the origin of the majority go lunar craters?, Earth is much larger than the Moon, yet it has far fewer craters. Updated on January 04, 2019. Oceanus Procellarum and Mare Imbrium, located in the north-western region of the lunar nearside, are the largest maria on the lunar surface and have experienced multiple episodes of large-scale volcanic eruptions and basaltic lava flow filling. Lava flow margins on the Moon are scarce [1,2], and the1 Introduction. The map was produced by the Army Map. 1. joining north and south lunar poles, passing through the center of the largest mare, Imbrium, representing 0° of lunar longitude. g. Sinus Iridum is a flat mare region located to the northwest Mare Imbrium on the nearside of the Moon. The Chang'e-3 spacecraft, which landed on the northern Mare Imbrium on the near side of the Moon, was equipped with lunar penetrating radar (LPR) on the Yutu rover and detected subsurface structures around the landing site. 3. Updated on January 04, 2019. Caroline Herschel was still winning. Introduction. These results suggest that late-stage volcanic evolution of the Moon might be revised. 64530° S latitude, 17. The formation ages of mare ridges. Post-depositional, local distortion of the mare surface, however, is present and in. Study with Quizlet and memorize flashcards containing terms like Identify the following features on the near side of the Moon. The Moon's highest mountain range outlines Mare Imbrium, extending for over 400 km. The dark basalt rock, collected near Hadley Rille on the edge of the Imbrium Basin (Mare Imbrium), is about 13 cm (5. Which of these is an incorrect description of Mare Imbrium on the moon?. These basalts have different colors (darkView moon observations Britney Smith - Google Docs. Mare (pronounced MAHR-ay) is the Latin word for sea, the plural of which is maria. Mare Crisium; between Mare Crisium and Mare Serenita-, tis; and between Mare Serenitatis and Mare Imbrium, the latter being the biggest of the circular maria. 5. In the lunar geologic timescale, the Early Imbrian epoch occurred from 3,850 million years ago to about 3,800 million years ago. 85 billion years ago when a proto-planet. The image was taken while Lucy was between the Earth and the Moon, so it shows a perspective familiar to Earth-based observers. The small crater is located on the west side of Mare Imbrium, one of the moon's large rocky plains. For instance, an investigation in Mare Imbrium on the Moon did not show distinct kinks in the cumulative SFD for units with model age differences of less than $300-500 My (Ostrach and Robinson. This range forms the southeastern border of the large Mare Imbrium lunar mare and the northwestern border of the Terra Nivium highland region. In the mare to the south are several rises collectively named the Montes Teneriffe. Due to their size, the lunar maria are the most obvious volcanic features on the Moon. g. 2 b. 3). The basin material is of the Lower Imbrian epoch, with the mare material of the Upper Imbrian epoch. Before the Apollo missions landed humans on the Moon, NASA sent several missions to the Moon to map its surface, and to make sure we could safely land there. 0 Ga. The maria are much less cratered than the highlands, and cover just 17% of the lunar surface, mostly on the side of the Moon that faces Earth ( Figure 9. Mare Imbrium, Latin for “sea of showers,” is the name of a huge crater on the moon caused by a meteor hitting the lunar surface some 3. It was the first spacecraft to reach the surface of the Moon, and the first human-made object to make contact with another. The solid white box corresponds to the area in Figure 4 . The two primary objectives were obtaining samples of highland material that were older than the Imbrium impact and investigating the possibility of young, explosive volcanism in this region. The Chang’e-3 (CE-3) spacecraft successfully landed on one of the youngest mare surfaces on the Moon in December 2013. Since the Apollo 14 mission delivered samples of the Fra Mauro formation, interpreted as ejecta of the Imbrium impact, defining the age of this impact has emerged as one of the critical tasks required for the complete understanding of the asteroid bombardment history of the Moon and, by extension, the inner Solar System. 1. Its peaks rise to heights of about 5 kilometers. -. GILBERT1 proposed that a large-scale collision occurred in Mare Imbrium and this hypothesis has. Mapping lunar mare basalt units in mare Imbrium as observed with the Moon Mineralogy Mapper (M³) F. 1987 ). Reaching a maximum brightness of -12. 3N 86. The Mare Imbrium is the largest basin on the near side of the moon with a diameter of approximately 721 miles (around 1160 kilometers). This crater is bowl-shaped, with a small interior floor at the midpoint and a somewhat eroded outer rim. Mare Imbrium, which is the largest basin on the nearside of the Moon and is filled with several basalt units estimated to date from 3. The extensive flat areas that resulted from lava flows during a much earlier period of the moon’s evolution are called maria, which is a Latin word meaning ‘seas’. The Apennines reach an elevation of 4 kilometers above the mare and are highest immediately adjacent to Mare Imbrium. g. A broad, shallow valley within the formation about 50 km (30 miles) north of Fra Mauro crater served as the site of the Apollo 14 lunar landing in February 1971. This page was last edited on 16 October 2023, at 20:33. Less cratered, smooth inter- and intracrater plains on the Moon. G. , Basaltic Volcanism Study Project (), 1981; Stöffler and Ryder, 2001; Taylor, 1982, and references therein]. 125 Crater-crater relations. 49°E, 44. 62. It is one of the largest impact basins in the Solar System. Mountain ranges with peaks up to 5500 meters above the mean lunar radius ( Montes Apenninus in the S-SE) define most of the circular morphology of the basin. The primary craters whose ejecta formed most of the secondaries in this part of southeastern Mare Imbrium can be identified by observing the orientation of the. Mare Imbrium. Click the card to flip 👆. 0 Sea of Showers Mare Ingenii 33. 3 billion years ago (Ga) and then declined or disappeared by 2. The old, heavily cratered lunar highlands make up 83% of the Moon’s surface. The smooth surface in Mare Imbrium has relatively few impact craters, indicating that it is much younger than the cratered surface shown in the previous image. They are typically circular in outline because they tend to fill the bottoms of very large, very old impact basins. The Moon is directly illuminated by the Sun, and the cyclically. The Apollo 15 landing site is by far one of the most interesting that you can find on the surface of the Moon. Study with Quizlet and memorize flashcards containing terms like The terminator on the Moon is a line A. Plain Language Summary The late stage younger than 3. 1975; Shih and. The mare is located just to the southeast of Oceanus Procellarum. Some investigators, however,. B. 1 W. When lava oozed into massive craters, it formed a. 0 Ga. It was named after ancient Greek philosopher Plato. Its diameter is 101 km. material around Mare Imbrium now given such rock-stratigraphic names as the Fra Mauro Formation (table 4. To the west of these mountains is a narrow gap where Mare Imbrium in the north. Because they formed so early in lunar history (between 4. In actuality, maria are huge basins containing lava flows marked by craters, ridges, faults, and straight and. 2. Mosaic of photos by Lunar Reconnaissance Orbiter, made with Wide Angle Camera. 8 billion years ago. Published: October 5, 2017. It comes into view soon after first quarter, and is easy to identify when sunlit. “60 seconds,” radioed Houston. Since the monitoring program began in 2005, NASA’s lunar. 1. & 21 days after new moon. The crater is 107 km in diameter and is centered at 9. 55. Mare, any flat, dark plain of lower elevation on the Moon. Figure 9. Detail map of Mare Imbrium's features. The Moon. This would yield incorrect crater statistics and less reliable ages. Yes. 5 W), a. Mare Imbrium, where Mr. , 2014]. Other authors, however, have. Back to - Figure 12: An astronaut's view looking south-eastwards across the Mare Imbrium region of the Moon. It was hoped that samples collected from these mountains would include ancient rocks that originated deep in the Moon's crust.