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The Triangulum Galaxy is a spiral galaxy 2.73 million light-years (ly) from Earth in the constellation Triangulum.It is catalogued as Messier 33 or NGC 598.With the D 25 isophotal diameter of 18.74 kiloparsecs (61,100 light-years), the Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Andromeda Galaxy and the Milky Way.
Neutron stars are thought to have high rigidity in the crust, and thus a low Love number: ; [6] [7] isolated, nonrotating black holes in vacuum have vanishing Love numbers for all multipoles =. [ 8 ] [ 9 ] [ 10 ] Measuring the Love numbers of compact objects in binary mergers is a key goal of gravitational-wave astronomy .
A horoscope (or other commonly used names for the horoscope in English include natal chart, astrological chart, astro-chart, celestial map, sky-map, star-chart, cosmogram, vitasphere, radical chart, radix, chart wheel or simply chart) is an astrological chart or diagram representing the positions of the Sun, Moon, planets, astrological aspects and sensitive angles at the time of an event, such ...
Star list with distance information, Uruk (Iraq), 320-150 BC, the list gives each constellation, the number of stars and the distance information to the next constellation in ells. Babylonian astronomy collated earlier observations and divinations into sets of Babylonian star catalogues , during and after the Kassite rule over Babylonia .
An online star chart; Monthly sky maps for every location on Earth Archived 2007-09-13 at the Wayback Machine; The Evening Sky Map – Free monthly star charts and calendar for northern hemisphere, southern hemisphere, and equatorial sky watchers. Sky Map Online – Free interactive star chart (showing over 1.2 million stars up to magnitude 12)
Analysis of historical records show that Romano's Star was likely quiescent from 1900 until five outbursts occurred between 1960 and 2010. The brightness is not constant during maximum but shows variations on a timescale of months. The third of the five outbursts was the brightest, peaking at magnitude 16.5. [2]
The story, written in first-person narrative, depicts the life and death of a prospector on the planet Venus who, while working for a mining company, becomes trapped in an invisible maze. The story takes place in the future, when humanity has developed space travel and begun to explore Venus. There, they discover valuable crystal orbs that can ...
33 is the 21st composite number, and 8th distinct semiprime (third of the form where is a higher prime). [1] It is one of two numbers to have an aliquot sum of 15 = 3 × 5 — the other being the square of 4 — and part of the aliquot sequence of 9 = 3 2 in the aliquot tree (33, 15, 9, 4, 3, 2, 1).