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The large variations on the light curves indicate that ʻOumuamua may be anything from a highly elongated cigar-like object, comparable to or greater than the most elongated Solar System objects, [20] [19] to an extremely flat object, a pancake or oblate spheroid. [103]
The definitions and results in this section are taken from the 1913 text Plane and Solid Geometry by George A. Wentworth and David Eugene Smith (Wentworth & Smith 1913).. A cylindrical surface is a surface consisting of all the points on all the lines which are parallel to a given line and which pass through a fixed plane curve in a plane not parallel to the given line.
Moonshaft or Mooncave is the name given to a large mysterious object allegedly located somewhere in an unspecified mountain range in Slovakia. Moonshaft was allegedly discovered in 1944 during the Slovak National Uprising by military commander Antonín Horák who later emigrated from Czechoslovakia to the United States via France and changed his name to Tony Horak.
The broadsheet claims that witnesses observed hundreds of spheres, cylinders, and other odd-shaped objects that moved erratically overhead. The woodcut illustration depicts objects of various shapes, including crosses (with or without spheres on the arms), small spheres, two large crescents, a black spear, and cylindrical objects from which ...
Artist's depiction of a pair of O'Neill cylinders Interior view, showing alternating land and window segments. An O'Neill cylinder (also called an O'Neill colony, or Island Three) is a space settlement concept proposed by American physicist Gerard K. O'Neill in his 1976 book The High Frontier: Human Colonies in Space. [1]
The object was “small” and “cylindrical” flying at 40,000 feet and “posed a reasonable threat” to civilian aircraft, according to Canada’s Defence Minister Anita Anand.
A Marman clamp is a type of heavy-duty band clamp; it allows two cylindrical objects to be clamped together end-to-end with a ring clamp. It is sometimes also known as a "Marman ring". It consists of a circular strap with an interior V-shaped groove.
Packing of irregular objects is a problem not lending itself well to closed form solutions; however, the applicability to practical environmental science is quite important. For example, irregularly shaped soil particles pack differently as the sizes and shapes vary, leading to important outcomes for plant species to adapt root formations and ...