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Nielsen is a lunar impact crater on the Oceanus Procellarum. It is located north-east of Montes Agricola on the western hemisphere of the Moon. To the east-southeast is the crater Wollaston.
Nielsen is a bowl-shaped formation that lies astride a small ridge that runs north-northwestwards towards the Mons Rümker. The latter is an unusual raised formation of lunar domes.
The crater is named jointly after the Danish astronomer
Nielsen is a lunar impact crater on the Oceanus Procellarum. It is located north-east of Montes Agricola on the western hemisphere of the Moon. To the east-southeast is the crater Wollaston.
Nielsen is a bowl-shaped formation that lies astride a small ridge that runs north-northwestwards towards the Mons Rümker. The latter is an unusual raised formation of lunar domes.
The crater is named jointly after the Danish astronomer Axel Nielsen
Axel Vilfred Nielsen (13 December 1902 – 24 February 1970) was a Danish astronomer at the Ole Rømer Observatory in Aarhus from 1927 until his death in 1970.
In 1921, while still a student, Nielsen established his private observatory "Spica" ...
(1902-1970) and the Danish–American physicist Harald Herborg Nielsen (1903-1973).
References
* * * * * * * * * * * *External links
* * * http://www.lunarrepublic.com/atlas/sections/c2.shtml {{Authority control Impact craters on the Moon