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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.
2000 yo 33 Dénes Gábor (1900–1979), a Hungarian-American physicist who won the 1971 Nobel Prize for Physics for his invention and development of the holographic method. He also carried out research on high-speed oscilloscopes, communication theory and physical optics, and he paid special attention to the impact of science on modern society.
Cover of Weird Tales issue of October 1939, where the story first appeared. "In the Walls of Eryx" is a short story by American writers H. P. Lovecraft and Kenneth J. Sterling, [1] written in January 1936 and first published in Weird Tales magazine in October 1939. It is a science fiction story involving space exploration in the near future.
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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).
Cosmos is a popular science book written by astronomer and Pulitzer Prize-winning author Carl Sagan.It was published in 1980 as a companion piece to the PBS mini-series Cosmos: A Personal Voyage with which it was co-developed and intended to complement.
Dangerous Visions is an anthology of science fiction short stories edited by American writer Harlan Ellison and illustrated by Leo and Diane Dillon.It was published in 1967 and contained 33 stories, none of which had been previously published.
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]