Elliptical
121Distorted thread locknut — A distorted thread locknut,[1] is a type of locknut that uses a deformed section of thread to keep the nut from loosening from vibrations or rotation of the clamped item. They are broken down into three types: elliptical offset nuts, centerlock… …
122List of NGC objects (3001–4000) — Image of the spiral galaxy NGC 3244 was taken with the help of the President of the Czech Republic, Václav Klaus, during his visit to ESO s Paranal Observatory[1] This is a list of objects 3001 4000 in the New General Catalogue (NGC). The… …
123List of NGC objects (5001–6000) — Contents 1 5001 5100 2 5101 5200 3 5201 5300 4 5301 5400 5 5401 5500 …
124Skew arch — A skew arch (also known as an oblique arch) is a method of construction that enables an arch bridge to span an obstacle at some angle other than a right angle. This results in the faces of the arch not being perpendicular to its abutments and its …
125Comet — This article is about the astronomical object. For other uses, see Comet (disambiguation). Comet Hale– …
126Globular cluster — s from the Sun and contains hundreds of thousands of stars. [cite news coauthors =The Hubble Heritage team url = http://hubblesite.org/newscenter/newsdesk/archive/releases/1999/26/ title = Hubble Images a Swarm of Ancient Stars work = HubbleSite… …
127Mass — This article is about the scientific concept. For the substance of which all physical objects consist, see Matter. For other uses, see Mass (disambiguation). Classical mechanics …
128Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) …
