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Gregory (lunar crater)

Crater on the Moon

Summary

Crater on the Moon

Field	Value
image	Gregory crater AS16-M-0073.jpg
caption	Apollo 16 Mapping Camera image
coordinates
diameter	64 km
colong	234
eponym	James Gregory

Oblique view of Catena Gregory, facing northwest, from [[Apollo 17

Another oblique view, facing southeast, from [[Apollo 10

Gregory is a lunar impact crater on the far side of the Moon. It is located to the southeast of the crater Ibn Firnas, and north-northeast of Bečvář. About one crater diameter to the north is the smaller Morozov.

This is a worn and eroded crater formation. The northern rim is degraded due to impacts. Attached to the exterior of the southwest is Gregory Q, a satellite crater about the same size as Gregory. Within the interior is the remains of a small crater rim along the northwestern inner wall. To the east of Gregory and leading away to the southeast is a crater chain designated Catena Gregory.

The crater was named after 17th century Scottish astronomer and mathematician James Gregory by the IAU in 1970. While Gregory itself was unnumbered, its satellite crater Gregory Q was known as Crater 282 prior to naming in 2006.

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 Gregory.

Gregory	Latitude	Longitude	Diameter
K	0.4° S	128.5° E	26 km
Q	0.6° N	125.7° E	68 km

References

{{cite book | author-link2 = Ewen Whitaker
{{cite book | author-link1 = Ben Bussey | author-link2 = Paul Spudis
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{{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
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{{cite book | author-link = Antonín Rükl
{{cite book | author-link = Thomas William Webb
{{cite book | author-link = Ewen Whitaker
{{cite book

References

[http://planetarynames.wr.usgs.gov/Feature/1060 Catena Gregory], Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
[http://planetarynames.wr.usgs.gov/Feature/2246 Gregory], 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)]
[http://planetarynames.wr.usgs.gov/Feature/9554 Gregory Q], Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

impact-craters-on-the-moon

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