Norman (crater)
Encyclopedia
Norman is a small lunar
impact crater
on the Oceanus Procellarum
, to the south and slightly west of the crater Euclides
. To the west-southwest is Herigonius
. There are few other features of note in the vicinity, apart from some minor wrinkle ridges in the surface of the mare
.
Norman is a circular, bowl-shaped formation with a small floor at the mid-point of the sloping inner walls. This feature was previously designated Euclides B prior to being renamed by the IAU
.
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...
impact crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...
on the Oceanus Procellarum
Oceanus Procellarum
Oceanus Procellarum is a vast lunar mare on the western edge of the near side of the Earth's Moon. Its name derives from the old superstition that its appearance during the second quarter heralded bad weather...
, to the south and slightly west of the crater Euclides
Euclides (crater)
Euclides is a small lunar impact crater located near the eastern edge of Oceanus Procellarum, about 30 kilometers to the west of the Montes Riphaeus mountains. The mare in the vicinity is devoid of significant craters, but to the west is an area of low rises. The crater is named after the Greek...
. To the west-southwest is Herigonius
Herigonius (crater)
Herigonius is a small lunar impact crater that is located in the southern part of the Oceanus Procellarum, to the northeast of the crater Gassendi. Herigonius is roughly circular, with an inward bulge and narrower inner wall along the northeast...
. There are few other features of note in the vicinity, apart from some minor wrinkle ridges in the surface of the mare
Lunar mare
The lunar maria are large, dark, basaltic plains on Earth's Moon, formed by ancient volcanic eruptions. They were dubbed maria, Latin for "seas", by early astronomers who mistook them for actual seas. They are less reflective than the "highlands" as a result of their iron-rich compositions, and...
.
Norman is a circular, bowl-shaped formation with a small floor at the mid-point of the sloping inner walls. This feature was previously designated Euclides B prior to being renamed by the IAU
International Astronomical Union
The International Astronomical Union IAU is a collection of professional astronomers, at the Ph.D. level and beyond, active in professional research and education in astronomy...
.