Alter (Moon)

Named after Dinsmore Alter - American astronomer, meteorologist (1888-1968).

Alter is a lunar impact crater that is located in the northern hemisphere on the far side. It lies to the southwest of the larger crater Robertson, and to the east of Ohm. The outer rim has been degraded by subsequent erosion, most notably at the northern and southern extremes. There is a small crater lying across the south-southeast rim. (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 51 km

Alter W

Walking
23 Hours 19 Minutes

N 75 km

Parenago

MRV
1 Hour 11 Minutes
Walking
1 Day 10 Hours

NE 78 km

Robertson

MRV
1 Hour 13 Minutes
Walking
1 Day 11 Hours

W 181 km

Ohm

MRV
2 Hours 50 Minutes
Walking
3 Days 10 Hours

Alter

18.74° N 252.2° E

E 247 km

Nobel B

MRV
3 Hours 52 Minutes
Walking
4 Days 16 Hours

SW 235 km

Kolhörster

MRV
3 Hours 40 Minutes
Walking
4 Days 10 Hours

S 70 km

Butlerov(last)

MRV
1 Hour 6 Minutes
Walking
1 Day 8 Hours

SE 53 km

Alter K

Walking
24 Hours 23 Minutes

Tour so far: Visited 528 locations over 51,153 km. Next: Pease
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