Gemma Frisius (moon crater)

Gemma Frisius
Gemma Frisius ( LROC -WAC)
position	34.38 °  S , 13.37 °  E Coordinates: 34 ° 22 ′ 48 ″  S , 13 ° 22 ′ 12 ″  E
diameter	89 km
depth	5160 m
Card sheet	113 (PDF)
Named after	Gemma R. Frisius (1508–1555)
Named since	1935
Unless otherwise stated, the information comes from the entry in the IAU / USGS database

Gemma Frisius is an impact crater on the front of the moon , southwest of Mare Nectaris , north of the large crater Maurolycus and south of Pontanus . On the northern edge is the smaller Goodacre crater . The rim of the crater is heavily eroded and superimposed several times, the interior is largely flat.

List of Gemma Frisius' secondary craters

Letter	position	diameter	link
A.	35.77 °  S , 15.25 °  O	67 km	[1]
B.	35.69 °  S , 17.21 °  E	42 km	[2]
C.	35.71 °  S , 18.74 °  O	32 km	[3]
D.	34.37 °  S , 10.85 °  E	28 km	[4]
E.	37.31 °  S , 12.67 °  E	18 km	[5]
F.	35.85 °  S , 10.26 °  E	9 km	[6]
G	33.35 °  S , 11.42 °  E	37 km	[7]
H	32.34 °  S , 12.18 °  O	27 km	[8th]
J	35.07 °  S , 18.04 °  E	12 km	[9]
K	37.52 °  S , 10.88 °  O	10 km	[10]
L.	34.82 °  S , 11.74 °  O	7 km	[11]
M.	34.37 °  S , 12.42 °  E	5 km	[12]
O	32.56 °  S , 12.77 °  E	6 km	[13]
P	31.81 °  S , 12.72 °  E	4 km	[14]
Q	35.84 °  S , 14.71 °  E	10 km	[15]
R.	37.17 °  S , 15.27 °  E	5 km	[16]
S.	35.3 °  S , 15.02 °  E	5 km	[17]
T	34.93 °  S , 16.38 °  E	8 kilometers	[18]
U	34.61 °  S , 16.74 °  O	8 kilometers	[19]
W.	36.96 °  S , 13.25 °  E	14 km	[20]
X	34.74 °  S , 15.8 °  E	15 km	[21]
Y	37.55 °  S , 13.48 °  E	28 km	[22]
Z	35.2 °  S , 9.56 °  O	10 km	[23]

The crater was officially named by the IAU in 1935 after the physician, mathematician, cartographer and instrument maker Gemma R. Frisius .

Web links

• Gemma Frisius in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
• Gemma Frisius on The-Moon Wiki

Individual evidence

1. ^ John E. Westfall: Atlas of the Lunar Terminator. Cambridge University Press, Cambridge et al. 2000, ISBN 0-521-59002-7 .