Astronomy

astronomy AstronomersPart OneBrief Descriptions of the Following Astronomers:Walter Baade : Baade was a German-born American, whose work gave current estimates for the get along with and coat of the universe. During the wartime, blackouts aided his observatons and allowed him to indentify and classify stars in a bare-assed and useful way, and led him to increase and improve Hubbles values for the size of it and age of the universe (to the great relief of geologists.) He alike worked on supernovae and radiostars.Milton Humason : Humason was a colleague of Edwin Hubbles at Mt. Wilson and Palomar Mtn. who was instrumental in measuring faint coltsfoot spectra providing evidence for the expansion of the universe.Jan Oort : In 1927, this Dutch astronomer proved by observation (in the Leiden observatory) that our extragalactic nebula is rotating, and calculated the sirance of the sun from the centre of the galaxy and the period of its orbit. In 1950 he sugested the exsist ence of a sphere of incipent cometary material conform to ...If you want to get a full essay, order it on our website: BestEssayCheap.com

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