Ross (lunar crater)

Ross

Coordinates 11°42′N 21°42′E / 11.7°N 21.7°E / 11.7; 21.7Coordinates: 11°42′N 21°42′E / 11.7°N 21.7°E / 11.7; 21.7
Diameter 24 km
Depth 1.8 km
Colongitude 338° at sunrise
Eponym James C. Ross
Frank E. Ross

Ross is a lunar crater that is located in the northwest part of the Mare Tranquillitatis. It lies more than 90 km south-southwest of the crater Plinius, and more than 35 km northeast of the lava-flooded Maclear, also it is further east to the smaller Carrel crater.

The crater are named after both James Clark and Frank E. Ross.

This crater has a generally circular shape, but is not quite symmetrical. The inner walls slope down to a base of slumped material, before joining a relatively level interior floor. There is a low ridge to the west of the crater midpoint.

Satellite craters

Ross crater and its satellite craters taken from Earth in 2012 at the University of Hertfordshire's Bayfordbury Observatory with the telescopes Meade LX200 14" and Lumenera Skynyx 2-1

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Ross. Satellite craters B and C are in the northwest, D in the northeast, E, F and G in the southeast and H in the south.

Cross sections of Ross crater with different elevations of each direction. The elevations were of the 1960s as the modern elevation numbers are different today
Oblique view facing south from Apollo 15
Ross Latitude Longitude Diameter
B 11.4° N 20.2° E 6 km
C 11.7° N 19.0° E 5 km
D 12.6° N 23.3° E 9 km
E 11.1° N 23.4° E 4 km
F 10.9° N 24.2° E 5 km
G 10.7° N 24.9° E 5 km
H 10.2° N 21.8° E 5 km

References

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  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. 
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. 
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. 
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. 
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. 
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