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Mare Tranquillitatis








Mare Tranquillitatis


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Mare Tranquillitatis

Mtranquillitatis.jpg
The Sea of Tranquility of the Moon

Coordinates
8°30′N 31°24′E / 8.5°N 31.4°E / 8.5; 31.4Coordinates: 8°30′N 31°24′E / 8.5°N 31.4°E / 8.5; 31.4
Diameter
873 km (542 mi)[1][2]
Eponym
Sea of Tranquility

Mare Tranquillitatis (Latin for Sea of Tranquility or Sea of Tranquillity (see spelling differences)) is a lunar mare that sits within the Tranquillitatis basin on the Moon. The mare material within the basin consists of basalt formed in the intermediate to young age group of the Upper Imbrian epoch. The surrounding mountains are thought to be of the Lower Imbrian epoch, but the actual basin is probably Pre-Nectarian. The basin has irregular margins and lacks a defined multiple-ringed structure. The irregular topography in and near this basin results from the intersection of the Tranquillitatis, Nectaris, Crisium, Fecunditatis, and Serenitatis basins with two throughgoing rings of the Procellarum basin. Palus Somni, on the northeastern rim of the mare, is filled with the basalt that spilled over from Tranquillitatis.


This Mare has a slight bluish tint relative to the rest of the moon and stands out quite well when color is processed and extracted from multiple photographs. The color is likely due to higher metal content in the basaltic soil or rocks.[3]


Unlike many other maria, there is no mass concentration (mascon), or gravitational high, in the center of Mare Tranquillitatis. Mascons were identified in the center of other maria (such as Serenitatis or Imbrium) from Doppler tracking of the five Lunar Orbiter spacecraft in 1968.[4] The gravity field was mapped at higher resolution with later orbiters such as Lunar Prospector and GRAIL, which unveiled an irregular pattern.





Lunar nearside with major maria and craters labelled.




Contents






  • 1 Naming


  • 2 Landings


    • 2.1 Apollo




  • 3 Bays


  • 4 Views


  • 5 Irregular mare patch


  • 6 During eclipses


  • 7 In the arts


  • 8 Gallery


  • 9 References





Naming[edit]


Mare Tranquillitatis was named in 1651 by astronomers Francesco Grimaldi and Giovanni Battista Riccioli in their lunar map Almagestum novum.[5][6] Earlier lunar cartographers had given the feature different names. Michael van Langren's 1645 map calls it "Mare Belgicum" (Latin for the Belgic Sea), the classical name of the North Sea[7][8] And Johannes Hevelius included it within Pontus Euxinus (after the classical name for the Black Sea) in his 1647 map.[7][9]



Landings[edit]




A view of the Apollo 11 landing site at center, facing west, with Maskelyne crater in right foreground


In February 1965, the Ranger 8 spacecraft was deliberately crashed into the Mare Tranquillitatis, after successfully transmitting 7,137 close-range photographs of the Moon in the final 23 minutes of its mission.[10]


Surveyor 5 landed in Mare Tranquillitatis on September 11, 1967, and was the fifth lunar lander of the uncrewed Surveyor program.



Apollo[edit]


This mare was also the landing site for the first crewed landing on the Moon on July 20, 1969, at 20:18 UTC. After astronauts Neil Armstrong and Buzz Aldrin made a smooth touchdown in the Apollo 11 Lunar Module named Eagle, Armstrong told flight controllers on Earth, "Houston, Tranquility Base here. The Eagle has landed." The landing area at 0.8° N, 23.5° E has been designated Statio Tranquillitatis after Armstrong's name for it, and three small craters to the north of the base have been named Aldrin, Collins, and Armstrong in honor of the Apollo 11 crew.[11]


The Apollo 11 landed at 00.67408° North latitude, 23.47297° East longitude.[12][13]



Bays[edit]


Along the periphery of the mare are several bay-shaped features that have been given names: Sinus Amoris, Sinus Asperitatis,
Sinus Concordiae, and Sinus Honoris.[14]



Views[edit]


Mare Tranquilitatis AS17-M-1647-1653-1659.jpg

These are three views of Mare Tranquillitatis on the moon, taken by the mapping camera of the Apollo 17 mission in 1972, facing south-southwest from an average altitude of 111 km on Revolution 36 of the mission. At the left is the east side of Mare Tranquillitatis, with the craters Franz (bottom right), Lyell (dark floor, right of center), and Taruntius (upper left). The "bay" of dark mare (basalt) at left is Sinus Concordiae, with "islands" of older, light highland material. At right is the crater Cauchy, which lies between the Rupes Cauchy and Cauchy rille. The center photo shows the central mare with craters Vitruvius (lower right) and Gardner (bottom center). At the horizon are lighter highlands at the southern margin of the mare, near the Apollo 11 landing site. The crater Jansen is visible at the edges of both the center and right photos. The right photo shows the western mare, with the craters Dawes (lower left) and the large Plinius (43 km diameter), with the Plinius Rilles in the foreground. These photos were taken within minutes of each other as the Command Module America orbited the moon. The sun elevation drops from 46 degrees at left to 30 degrees at right.



Irregular mare patch[edit]



An Ina-like feature is also founded in Mare Tranquillitatis in the vicinity of Maskelyne,[15][16][17] one of many newly discovered young volcanic deposits on the Moon, founded by the Lunar Reconnaissance Orbiter (LRO).



During eclipses[edit]


During eclipses with long totality, temperatures slowly plunges, as being in a basin, it remains nearly high in many areas but slightly cooler in the southeast. The highest are in some of the large craters of the basin such as Plinius. They were first known in the mid-infrared image of the Moon was taken during a September 1996 lunar eclipse by the SPIRIT-III instrument aboard the orbiting Midcourse Space Experiment (MSX) satellite.[18][19]



In the arts[edit]




  • Israeli psych-progressive rock band Jericho Jones recorded a song named "Mare Tranquilitatas" as the opening track of their UK album release (1971) Junkies, Monkeys & Donkeys. The band is also known as The Churchills.

  • "Mare Tranquillitatis" is also the name of a composition of music by composer Vangelis on his 1976 album, Albedo 0.39 and is in reference to the selenographical term.

  • "Sea of Tranquility" is also a song by the progressive rock band Barclay James Harvest, included in their 1977 album Gone to Earth. The composition was written by the band keyboardist Stuart "Woolly" Wolstenholme.

  • Singer songwriter Tommy Shaw (best known for his work with the rock band Styx) is associated with a number of references to the Sea of Tranquility. Tranquility Base Songs is his publishing company. He called his farm Tranquility Base Farms. A number of his songs mention Tranquility Base or simply "tranquility." Examples include: "Boat on the River", "And all roads lead to Tranquility Base" (from the 1979 album Cornerstone), "Everything Is Cool" – "We are a Sea of Tranquillity" (from the 1999 album Brave New World), and "These Are the Times" – "We know the end will bring tranquility" (from the 2003 album Cyclorama).


  • Sea of Tranquillity is the title of a 1994 novel by Paul Russell.


  • Six Finger Satellite included a song named "Sea of Tranquility, Parts 1 & 2" from their 1998 album Law of Ruins.

  • The Dutch stoner rock/space rock band 35007 released a 2001 EP named Sea of Tranquility.

  • Dutch producer Maarten van der Vleuten/In-Existence released a song titled "Mare Tranquillitatis" on his album Vow Of Silence released on Tonefloat in 2005.


  • Howard Korder wrote a play called Sea of Tranquility.

  • The Brazilian rock band from the 80s RPM mentions the Sea of Tranquillity in their hit song "Radio Pirata".

  • "Sea of Tranquillity" is a song by space ambient artist, John Stanford.


  • The Sea of Tranquility is the name of a book by Mark Haddon, author of the best-selling The Curious Incident of the Dog in the Night-Time.


  • The Sea of Tranquility is the name of a book by Katja Millay.


  • Transmissions from The Sea of Tranquility is the name of the music album by The Samples, released September 30, 1997.

  • The Houston, Texas based progressive metal band Galactic Cowboys recorded a song named "Sea of Tranquility" as the sixth track on their 1991 self-titled debut album.

  • The hardcore punk band Jeromes Dream released a song called "Remember the Sea of Tranquility on their split 7" with Usurp Synapse.

  • In the 1987 film "Can't Buy Me Love", Ronald Miller (played by Patrick Dempsey) describes the Sea of Tranquility to Cindy Mancini (played by Amanda Peterson) while viewing it through a telescope on their final date.

  • In the anime Log Horizon 2, Mare Tranquillitatis is the name of the sea inside the dimension where characters go when they die.


  • Mare Tranquillitatis is the name of a 2016 song by Adam Young.

  • Sea of Tranquility appears in chapter 78 of Life of Pi by Yann Martel.

  • In Touhou 15, Legacy of Lunatic Kingdom, Mare Tranquillitatis is the setting of the final two stages of the game.

  • In the Alien franchise of movies, Weyland-Yutani (Often referred to as "The company") has a major corporate headquarters in the Sea of Tranquility. (Mentioned in the 1979 film "Alien" as seen on the opening screen of the "Mother" computer, among other sources)

  • In the book Artemis, the city Artemis is located in the Sea of Tranquility, just north of the Moltke Foothills. The Apollo 11 Visitor Center and reactor/smelter complex is also located in the Sea of Tranquility, 40 and 1km north and south of Artemis respectively.

  • In John Adams' opera Nixon in China, Act 1 Scene 1, Richard Nixon references "the Earth's Sea of Tranquility".

  • In the Power Rangers' tenth anniversary special Forever Red, Lord Zedd's Zord of Serpentera is stated to be located in the Sea of Tranquility, which is where the last known remnants of the Machine Empire have based themselves, digging Serpentera up and planning to use it to destroy Earth in revenge for the death of their leader, King Mondo.



Gallery[edit]




References[edit]









  1. ^ "Moon Mare/Maria". Gazetteer of Planetary Nomenclature. USGS Astrogeology. Retrieved 2010-08-20..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ "Mare Tranquillitatis". Nasa. Archived from the original on 2008-10-13.


  3. ^ "Wayback Machine" (PDF). archive.org. 20 October 2014. Retrieved 10 April 2018.


  4. ^ P. M. Muller, W. L. Sjogren (1968). "Mascons: Lunar Mass Concentrations". Science. 161 (3842): 680–684. Bibcode:1968Sci...161..680M. doi:10.1126/science.161.3842.680. PMID 17801458.


  5. ^ The Face of the Moon. Kansas City, MO: Linda Hall Library. 1989. p. 7. Archived from the original on 2012-01-06.


  6. ^ "Mare Tranquillitatis naming origin". Lunar Planetary Institute.


  7. ^ ab Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999).


  8. ^ Langrenus map of the Moon (1645)


  9. ^ Hevelius map of the Moon (1647)


  10. ^
    Grayzeck, Dr. Ed (July 1, 2013). "Ranger 8". National Space Data Centre. Washington, D.C.: NASA. Archived from the original on July 31, 2013. Retrieved July 31, 2013.



  11. ^ Gaherty, Geoff (April 19, 2013). "How to See Where Astronauts Walked on the Moon". Space.com. Retrieved March 3, 2018.


  12. ^ "Apollo 11 Landing Site". Smithsonian National Air and Space Museum. Retrieved October 12, 2017.


  13. ^ https://nssdc.gsfc.nasa.gov/planetary/lunar/lunar_sites.html Accessed October 12th, 2017


  14. ^ Wood, Chuck (2006-08-10). "Is it Love or a Sinus Infection?". Lunar Photo of the Day. Retrieved 2006-08-10.


  15. ^ Wood, Charles. "Strange Little IMPs." Sky and Telescope, February 2015 issue.


  16. ^ Stooke, P. J. (March 19–23, 2012). Lunar Meniscus Hollows (PDF). 43rd Lunar and Planetary ScienceConference. The Woodlands, Texas (published March 2012). Bibcode:2012LPI....43.1011S. 1011.


  17. ^ Braden, S. E.; Robinson, M. S.; Stopar, J. D.; van der Bogert, C. H.; Hawke, B. R. (March 18–22, 2013). Age and Extent of Small, Young Volcanic Activity on the Moon (PDF). 44th Lunar and Planetary Science Conference. The Woodlands, Texas (published March 2013). p. 2843. Bibcode:2013LPI....44.2843B.


  18. ^ NASA Astronomy Picture of the Day: Eclipsed Moon in Infrared (8 November 2003)


  19. ^ Wood, Chuck (May 13, 2005). "Hotspots identified". Lunar Photo of the Day.












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