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Ultraviolet astronomy employs ultraviolet wavelengths between approximately 100 and 3200 Å (10 to 320 nm). [52] Light at those wavelengths is absorbed by the Earth's atmosphere, requiring observations at these wavelengths to be performed from the upper atmosphere or from space.
The Revival of Planetary Astronomy in Carolingian and Post-Carolingian Europe. Variorum Collected Studies Series. Vol. CS 279. Ashgate. ISBN 0-86078-868-7. Hodson, F. R., ed. (1974). The Place of Astronomy in the Ancient World: A Joint Symposium of the Royal Society and the British Academy. Oxford University Press. ISBN 0-19-725944-8.
Portal:Astronomy/Did you know/1 ... that 12th-century Muslim scientist Al-Khazini, who proposed a theory of gravitation long before Isaac Newton, was, in his early life, a slave of the Seljuq Turks?... that Kepler-47c is a circumbinary planet orbiting in the habitable zone of Kepler-47, a binary star system?
From a bar in the clouds to finding more water from the Moon, outer space is constantly surprising us. The post 24 Astronomy Facts You Never Learned in School appeared first on Reader's Digest.
Dean Regas is an astronomer and author of six books including 1000 Facts About Space and How to Teach Grown-Ups About Pluto and host of the popular astronomy podcast Looking Up with Dean Regas ...
A number of private companies sell names of stars which are not recognized by the IAU, professional astronomers, or the amateur astronomy community. [50] The British Library calls this an unregulated commercial enterprise , [ 51 ] [ 52 ] and the New York City Department of Consumer and Worker Protection issued a violation against one such star ...
Below, we’ve got 100 of the best random facts just waiting to be learned and shared. Interesting facts for adults. Australia is wider than the moon. Venus is the only planet to spin clockwise.
This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.