Challis (Moon)

Named after James Challis - British astronomer, mathematician, physicist (1803-1882).

Challis is a lunar crater that is located in the northern regions 's near side, close enough to the limb to appear significantly foreshortened when viewed from the Earth. It is joined to the crater Main through a break in the northern rim, and is close to Scoresby along the southeast side. The rim of this crater has been damaged and eroded by a history of impacts, with the most intact portion located along the southeastern half. A small crater lies across the southern rim, and the remaining rim is notched and irregular. (wikipedia entry)

A crater is a circular depression likely created by an impact event. On the Moon they are named after deceased scientists, polar explorers, astronauts or cosmonauts.

NW 1051 km

De Forest

MRV
16 Hours 25 Minutes
Walking
19 Days 21 Hours

N 55 km

Main(last)

Walking
1 Day 1 Hour

NE 403 km

Main N

MRV
6 Hours 18 Minutes
Walking
7 Days 15 Hours

W 953 km

De Forest N

MRV
14 Hours 53 Minutes
Walking
18 Days 1 Hour

Challis

79.58° N 9.09° E

E 530 km

De Sitter A

MRV
8 Hours 17 Minutes
Walking
10 Days

SW 210 km

Scoresby K

MRV
3 Hours 16 Minutes
Walking
3 Days 23 Hours

S 63 km

Scoresby Q

Walking
1 Day 4 Hours

SE 162 km

Scoresby(next)

MRV
2 Hours 32 Minutes
Walking
3 Days 1 Hour

Tour so far: Visited 1,892 locations over 182,161 km. Next: Scoresby
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