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Se — Sersic (selected list of peculiar galaxies and groups of galaxies) See — T.J.J. See (Thomas Jefferson Jackson See, 1866–1962) (double stars) (related to the 'Lambda' catalogue which is mentioned in T.W.Webb's Celestial Objects for Common Telescopes, Volume 2: The Stars, pages 285–319: Index of Double Stars, Epoch 2000).
Sh 2-106, [2] also known as the Celestial Snow Angel, is an emission nebula and a star formation region in the constellation Cygnus. It is a H II region estimated to be around 2,000 light years (600 pc ) from Earth , in an isolated area of the Milky Way .
Meanwhile, the Reeds Nautical Almanac, published by Adlard Coles Nautical, has been in print since 1932, and in 1944 was used by landing craft involved in the Normandy landings. [ 5 ] The "Air Almanac" of the United States and Great Britain tabulates celestial coordinates for 10-minute intervals for use in aerial navigation .
A list of future observable astronomical events. [1] These are by no means all events, but only the notable or rare ones. In particular, it does not include solar eclipses or lunar eclipses unless otherwise notable, as they are far too numerous to list (see below for articles with lists of all these). Nor does it list astronomical events that ...
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Celestial mechanics is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics ( classical mechanics ) to astronomical objects, such as stars and planets , to produce ephemeris data.
Great conjunctions attracted considerable attention in the past as omens. During the late Middle Ages and Renaissance they were a topic broached by the pre-scientific and transitional astronomer-astrologers of the period up to the time of Tycho Brahe and Johannes Kepler, by scholastic thinkers such as Roger Bacon [3] and Pierre d'Ailly, [4] and they are mentioned in popular and literary works ...
This is a list of the largest cosmic structures so far discovered. The unit of measurement used is the light-year (distance traveled by light in one Julian year; approximately 9.46 trillion kilometres). This list includes superclusters, galaxy filaments and large quasar groups (LQGs). The structures are listed based on their longest dimension.