Kopff (crater)
Kopff is a lunar crater that lies along the eastern edge of the inner Mare Orientale impact basin, on the western limb of the Moon. In this position the crater is seen from on edge from the Earth, and its visibility is affected by libration. This situation makes it difficult to discern much detail about the crater unless it is viewed from orbit.
At one time this crater was considered to have formed due to volcanic activity, in contrast to most lunar craters which are considered to have been created through impacts. However it is more likely that the crater was formed by an impact against a surface that was still partly molten. This has left the crater with a sharp-edged, circular rim and a flat, dark-hued interior floor. Indeed, the albedo of the interior floor matches that of the lunar mare to the west. The southeast part of the floor is fractured with a series of narrow rilles. The floor along the northwest and northeast edges is more rugged, and these sections have escaped the lava that covered the remainder of the floor.
1631 Kopff
1631 Kopff, provisional designation 1936 UC, is a stony asteroid from the inner regions of the asteroid belt, about 9 kilometers in diameter. It was discovered by Finnish astronomer Yrjö Väisälä at Turku Observatory on 11 October 1936 (also see discovery circumstances below).
The asteroid is a member of the Flora family, a large group of stony S-type asteroids in the inner main-belt. It orbits the Sun at a distance of 1.8–2.7 AU once every 3 years and 4 months (1,221 days). Its orbit shows an eccentricity of 0.21 and is tilted by 7 degrees to the plane of the ecliptic. It has a rotation period of 6.7 hours and an albedo of 0.250, according to the surveys carried out by IRAS, Akari, and WISE/NEOWISE.
The minor planet was named after German astronomer August Kopff (1882–1960). He was first an assistant to Max Wolf prolific discoverer of minor planets himself. In 1924 he became Director of the Astronomisches Rechen-Institut in Berlin, and after the western section moved to Heidelberg he also became director of Heidelberg-Königstuhl Observatory. He was responsible for constructing the third Catalogue of Fundamental Stars (FK3) and initiated work on the fourth (FK4). The lunar carter Kopff is also named in his honour.
Crater
Crater may refer to:
In landforms:
Other:
Crater (Aden)
Crater (/ˈkreɪtər/; Arabic: كريتر, [ˈkɾeːtəɾ]), also Kraytar, is a district of the Aden Governorate, Yemen. Its official name is Seera (Arabic: صيرة Ṣīrah). It is situated in a crater of an ancient volcano which forms the Shamsan Mountains. In 1991, the population was 70,319. As of 2003, the district had a population of 76,723 people.
In the closing days of British rule in 1967, Crater District became the focus of the Aden Emergency, sometimes called the last imperial war. After a mutiny of hundreds of soldiers in the South Arabian Federation Army on 20 June, all British forces withdrew from the Crater. The Crater was occupied by Arab fighters while British forces blocked off its two main entrances. In July, a British infantry battalion, led by Lt. Col. Colin Mitchell of the Argyll & Sutherland Highlanders, entered the Crater and managed to occupy the entire district overnight with no casualties. Nevertheless, deadly guerrilla attacks soon resumed, with the British leaving Aden by the end of November 1967, earlier than had been planned by British Prime Minister Harold Wilson and without an agreement on the succeeding governance.
Crater (Chinese astronomy)
According to traditional Chinese uranography, the modern constellation Crater is located within the southern quadrant of the sky, which is symbolized as the Vermilion Bird of the South (南方朱雀, Nán Fāng Zhū Què).
The name of the western constellation in modern Chinese is 巨爵座 (jù jué zuò), meaning "the huge wine holder constellation".
Stars
The map of Chinese constellation in constellation Crater area consists of :
See also
References
External links
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