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Gagarin (crater)

Crater on the Moon

Field	Value
image	Gagarin crater 1115 med.jpg
caption
coordinates
diameter	261.83 km
depth	4.8 km
colong	215
eponym	Yuri Gagarin

Gagarin is a large lunar impact crater that is located in the southern hemisphere on the far side of the Moon. To the southwest is the crater Pavlov and to the northeast lies Keeler. Closer to the rim are the craters Levi-Civita to the southwest, and Beijerinck to the north-northeast. Isaev lies entirely within the northwest rim of Gagarin. In contrast with the floor of Gagarin, Isaev has a floor with a somewhat low albedo.

The crater was named in by the IAU in 1970, after Soviet cosmoonaut Yuri Gagarin. Prior to naming, Gagarin was called Basin X.

Physical characteristics

The crater is named after Yuri Gagarin, the cosmonaut who was the first human in space and the first to orbit the Earth. The six craters falling within the perimeter of Gagarin have also been named after pioneers of Russian aviation and astronautics, including Isaev, Grave, Balandin, Raspletin, Kosberg, and Andronov.

Gagarin has been heavily eroded by a long history of crater impacts. The worn rim forms a low, circular ridge around the somewhat bowl-shaped interior. The inner floor is covered by a multitude of crater impacts of various dimensions. Little if anything remains of a central ridge, if the crater ever possessed such a feature.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Gagarin.

Gagarin	Coordinates	Diameter, km
G		14
M		18
T		26
Z		27

References

Bibliography

{{cite book | author-link2 = Ewen Whitaker
{{cite web | access-date = 2014-12-07
{{cite book | author-link1 = Ben Bussey | author-link2 = Paul Spudis
{{cite book
{{cite web | access-date = 2007-10-24 | archive-date = 2012-02-08 | archive-url = https://web.archive.org/web/20120208141804/http://host.planet4589.org/astro/lunar/ | url-status = dead
{{cite book | author-link = Patrick Moore
{{cite book
{{cite book | author-link = Antonín Rükl
{{cite book | author-link = Thomas William Webb
{{cite book | author-link = Ewen Whitaker
{{cite book

References

[https://planetarynames.wr.usgs.gov/Feature/2054 Gagarin], Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
[http://www.lpi.usra.edu/resources/mapcatalog/LunarFarsideCharts/LFC-1%201stEd/LFC-1%202ndEd/LFC-1A/ Lunar Farside Chart (LFC-1A)], 2nd Edition October 1967
"Gagarin". USGS Astrogeology Science Center.

Info: Wikipedia Source

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